{"kind": "product", "path": "vulns/ubuntu-16.04-lts/openssl", "name": "openssl", "product": "openssl", "ecosystem": "Ubuntu:16.04:LTS", "items": [{"id": "CVE-2021-23841", "noindex": false, "published": "2021-02-16T16:55:18.817Z", "modified": "2024-09-16T22:39:57.576Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.0741, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2021-23841", "title": "Null pointer deref in X509_issuer_and_serial_hash()", "description": "The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may occur while parsing the issuer field (which might occur if the issuer field is maliciously constructed). This may subsequently result in a NULL pointer deref and a crash leading to a potential denial of service attack. The function X509_issuer_and_serial_hash() is never directly called by OpenSSL itself so applications are only vulnerable if they use this function directly and they use it on certificates tha", "references": ["https://www.openssl.org/news/secadv/20210216.txt", "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=122a19ab48091c657f7cb1fb3af9fc07bd557bbf", "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=8252ee4d90f3f2004d3d0aeeed003ad49c9a7807"], "fixes": ["1.0.2g-1ubuntu4.19"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2021-23840", "noindex": false, "published": "2021-02-16T16:55:18.192Z", "modified": "2026-04-16T14:12:36.721Z", "cvss": 7.5, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "high", "epss": 0.50732, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2021-23840", "title": "Integer overflow in CipherUpdate", "description": "Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer r", "references": ["https://www.openssl.org/news/secadv/20210216.txt", "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=6a51b9e1d0cf0bf8515f7201b68fb0a3482b3dc1", "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=9b1129239f3ebb1d1c98ce9ed41d5c9476c47cb2"], "fixes": ["1.0.2g-1ubuntu4.19"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2020-1971", "noindex": false, "published": "2020-12-08T15:30:16.835Z", "modified": "2026-05-29T15:40:28.488Z", "cvss": 5.9, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "severity": "medium", "epss": 0.06994, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2020-1971", "title": "EDIPARTYNAME NULL pointer dereference", "description": "The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes: 1) Comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in an X509 certificate 2) Wh", "references": ["https://www.openssl.org/news/secadv/20201208.txt", "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=f960d81215ebf3f65e03d4d5d857fb9b666d6920", "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2154ab83e14ede338d2ede9bbe5cdfce5d5a6c9e"], "fixes": ["1.0.2g-1ubuntu4.18"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2020-1968", "noindex": false, "published": "2020-09-09T13:50:12.423Z", "modified": "2026-04-16T14:10:35.131Z", "cvss": 3.7, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "severity": "low", "epss": 0.04903, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2020-1968", "title": "Raccoon attack", "description": "The Raccoon attack exploits a flaw in the TLS specification which can lead to an attacker being able to compute the pre-master secret in connections which have used a Diffie-Hellman (DH) based ciphersuite. In such a case this would result in the attacker being able to eavesdrop on all encrypted communications sent over that TLS connection. The attack can only be exploited if an implementation re-uses a DH secret across multiple TLS connections. Note that this issue only impacts DH ciphersuites and not ECDH ciphersuites. This issue affects OpenSSL 1.0.2 which is out of support and no longer receiving public updates. OpenSSL 1.1.1 is not vulner", "references": ["https://www.openssl.org/news/secadv/20200909.txt", "https://usn.ubuntu.com/4504-1/", "https://lists.debian.org/debian-lts-announce/2020/09/msg00016.html"], "fixes": ["1.0.2g-1ubuntu4.17"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2019-1551", "noindex": false, "published": "2019-12-06T17:20:14.842Z", "modified": "2026-10-08T21:13:47.667Z", "cvss": 5.3, "cvss_vector": "", "severity": "medium", "epss": 0.14298, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2019-1551", "title": "rsaz_512_sqr overflow bug on x86_64", "description": "There is an overflow bug in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against 2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH512 are considered just feasible. However, for an attack the target would have to re-use the DH512 private key, which is not recommended anyway. Also applications directly using the low level API BN_mod_exp may be affected if they use BN_FLG_CONSTTIME. Fixed in OpenSSL 1.1.1e (Affected 1.1.1-1.1.1d). Fixed in O", "references": ["https://seclists.org/bugtraq/2019/Dec/39", "https://www.debian.org/security/2019/dsa-4594", "https://seclists.org/bugtraq/2019/Dec/46"], "fixes": ["1.0.2g-1ubuntu4.16"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2019-1563", "noindex": false, "published": "2019-09-10T16:58:35.407Z", "modified": "2026-10-08T21:13:59.896Z", "cvss": 3.7, "cvss_vector": "", "severity": "low", "epss": 0.03838, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2019-1563", "title": "Padding Oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey", "description": "In situations where an attacker receives automated notification of the success or failure of a decryption attempt an attacker, after sending a very large number of messages to be decrypted, can recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted message that was encrypted with the public RSA key, using a Bleichenbacher padding oracle attack. Applications are not affected if they use a certificate together with the private RSA key to the CMS_decrypt or PKCS7_decrypt functions to select the correct recipient info to decrypt. Fixed in OpenSSL 1.1.1d (Affected 1.1.1-1.1.1c). Fixed in OpenSSL 1.1.0l (Affected 1.1.0-1.1.0k).", "references": ["https://seclists.org/bugtraq/2019/Sep/25", "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00054.html", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/"], "fixes": ["1.0.2g-1ubuntu4.16"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2019-1547", "noindex": false, "published": "2019-09-10T16:58:35.307Z", "modified": "2024-09-16T16:33:05.874Z", "cvss": 4.7, "cvss_vector": "", "severity": "medium", "epss": 0.01163, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2019-1547", "title": "ECDSA remote timing attack", "description": "Normally in OpenSSL EC groups always have a co-factor present and this is used in side channel resistant code paths. However, in some cases, it is possible to construct a group using explicit parameters (instead of using a named curve). In those cases it is possible that such a group does not have the cofactor present. This can occur even where all the parameters match a known named curve. If such a curve is used then OpenSSL falls back to non-side channel resistant code paths which may result in full key recovery during an ECDSA signature operation. In order to be vulnerable an attacker would have to have the ability to time the creation of ", "references": ["https://seclists.org/bugtraq/2019/Sep/25", "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00054.html", "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GY6SNRJP2S7Y42GIIDO3HXPNMDYN2U3A/"], "fixes": ["1.0.2g-1ubuntu4.16"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2019-1559", "noindex": false, "published": "2019-02-27T23:00:00.000Z", "modified": "2024-09-17T04:20:35.057Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.17139, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2019-1559", "title": "0-byte record padding oracle", "description": "If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behaves differently based on that in a way that is detectable to the remote peer, then this amounts to a padding oracle that could be used to decrypt data. In order for this to be exploitable \"non-stitched\" ciphersuites must be in use. Stitched ciphersuites are optimised implementations of certain comm", "references": ["http://www.securityfocus.com/bid/107174", "https://security.gentoo.org/glsa/201903-10", "https://usn.ubuntu.com/3899-1/"], "fixes": ["1.0.2g-1ubuntu4.15"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2018-5407", "noindex": false, "published": "2018-11-15T21:00:00.000Z", "modified": "2026-10-08T21:13:54.182Z", "cvss": 4.7, "cvss_vector": "", "severity": "medium", "epss": 0.03418, "kev": false, "exploits": ["exploitdb"], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2018-5407", "title": "CVE-2018-5407", "description": "Simultaneous Multi-threading (SMT) in processors can enable local users to exploit software vulnerable to timing attacks via a side-channel timing attack on 'port contention'.", "references": ["https://access.redhat.com/errata/RHSA-2019:0483", "https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html", "https://security.netapp.com/advisory/ntap-20181126-0001/"], "fixes": ["1.0.2g-1ubuntu4.14"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2018-0734", "noindex": false, "published": "2018-10-30T12:00:00.000Z", "modified": "2026-10-08T21:13:44.081Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.12154, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2018-0734", "title": "Timing attack against DSA", "description": "The OpenSSL DSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.1a (Affected 1.1.1). Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.0.2q (Affected 1.0.2-1.0.2p).", "references": ["https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html", "https://usn.ubuntu.com/3840-1/", "https://www.debian.org/security/2018/dsa-4355"], "fixes": ["1.0.2g-1ubuntu4.14"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2018-0495", "noindex": false, "published": "2018-06-13T23:00:00.000Z", "modified": "2026-10-14T06:30:32.757Z", "cvss": 4.7, "cvss_vector": "", "severity": "medium", "epss": 0.00869, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2018-0495", "title": "CVE-2018-0495", "description": "Libgcrypt before 1.7.10 and 1.8.x before 1.8.3 allows a memory-cache side-channel attack on ECDSA signatures that can be mitigated through the use of blinding during the signing process in the _gcry_ecc_ecdsa_sign function in cipher/ecc-ecdsa.c, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.", "references": ["https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=9010d1576e278a4274ad3f4aa15776c28f6ba965", "http://www.securitytracker.com/id/1041144", "https://usn.ubuntu.com/3850-1/"], "fixes": ["1.0.2g-1ubuntu4.13"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2018-0732", "noindex": false, "published": "2018-06-12T13:00:00.000Z", "modified": "2026-10-08T21:13:55.704Z", "cvss": 7.5, "cvss_vector": "", "severity": "high", "epss": 0.4701, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2018-0732", "title": "Client DoS due to large DH parameter", "description": "During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).", "references": ["https://lists.debian.org/debian-lts-announce/2018/07/msg00043.html", "http://www.securityfocus.com/bid/104442", "https://www.debian.org/security/2018/dsa-4355"], "fixes": ["1.0.2g-1ubuntu4.13"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2018-0737", "noindex": false, "published": "2018-04-16T17:00:00.000Z", "modified": "2026-10-15T17:19:17.232Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.11597, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2018-0737", "title": "Cache timing vulnerability in RSA Key Generation", "description": "The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).", "references": ["https://lists.debian.org/debian-lts-announce/2018/07/msg00043.html", "https://www.debian.org/security/2018/dsa-4355", "https://usn.ubuntu.com/3628-2/"], "fixes": ["1.0.2g-1ubuntu4.13"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2018-0739", "noindex": false, "published": "2018-03-27T21:00:00.000Z", "modified": "2024-09-16T22:35:29.998Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.18596, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2018-0739", "title": "Constructed ASN.1 types with a recursive definition could exceed the stack", "description": "Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).", "references": ["https://usn.ubuntu.com/3611-2/", "https://www.debian.org/security/2018/dsa-4158", "https://security.gentoo.org/glsa/201811-21"], "fixes": ["1.0.2g-1ubuntu4.11"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2017-3738", "noindex": false, "published": "2017-12-07T16:00:00.000Z", "modified": "2024-09-16T18:34:25.955Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.13411, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2017-3738", "title": "CVE-2017-3738", "description": "There is an overflow bug in the AVX2 Montgomery multiplication procedure used in exponentiation with 1024-bit moduli. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH1024 are considered just feasible, because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be significant. However, for an attack on TLS to be meaningful, the server would have to share the DH1024 private key among multiple clients, whi", "references": ["https://www.tenable.com/security/tns-2018-07", "https://www.tenable.com/security/tns-2018-04", "https://access.redhat.com/errata/RHSA-2018:2185"], "fixes": ["1.0.2g-1ubuntu4.10"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2017-3737", "noindex": false, "published": "2017-12-07T16:00:00.000Z", "modified": "2024-09-17T03:53:31.262Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.78675, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2017-3737", "title": "CVE-2017-3737", "description": "OpenSSL 1.0.2 (starting from version 1.0.2b) introduced an \"error state\" mechanism. The intent was that if a fatal error occurred during a handshake then OpenSSL would move into the error state and would immediately fail if you attempted to continue the handshake. This works as designed for the explicit handshake functions (SSL_do_handshake(), SSL_accept() and SSL_connect()), however due to a bug it does not work correctly if SSL_read() or SSL_write() is called directly. In that scenario, if the handshake fails then a fatal error will be returned in the initial function call. If SSL_read()/SSL_write() is subsequently called by the application", "references": ["https://access.redhat.com/errata/RHSA-2018:2185", "https://access.redhat.com/errata/RHSA-2018:2186", "https://github.com/openssl/openssl/commit/898fb884b706aaeb283de4812340bb0bde8476dc"], "fixes": ["1.0.2g-1ubuntu4.10"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2016-8610", "noindex": false, "published": "2017-11-13T22:00:00.000Z", "modified": "2024-08-06T02:27:40.949Z", "cvss": 7.5, "cvss_vector": "", "severity": "high", "epss": 0.39657, "kev": false, "exploits": ["public-poc"], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2016-8610", "title": "CVE-2016-8610", "description": "A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.", "references": ["http://www.securityfocus.com/bid/93841", "http://rhn.redhat.com/errata/RHSA-2017-1659.html", "https://access.redhat.com/errata/RHSA-2017:1658"], "fixes": ["1.0.2g-1ubuntu4.6"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2017-3736", "noindex": false, "published": "2017-11-02T17:00:00.000Z", "modified": "2024-09-16T20:12:39.274Z", "cvss": 6.5, "cvss_vector": "", "severity": "medium", "epss": 0.10133, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2017-3736", "title": "CVE-2017-3736", "description": "There is a carry propagating bug in the x86_64 Montgomery squaring procedure in OpenSSL before 1.0.2m and 1.1.0 before 1.1.0g. No EC algorithms are affected. Analysis suggests that attacks against RSA and DSA as a result of this defect would be very difficult to perform and are not believed likely. Attacks against DH are considered just feasible (although very difficult) because most of the work necessary to deduce information about a private key may be performed offline. The amount of resources required for such an attack would be very significant and likely only accessible to a limited number of attackers. An attacker would additionally nee", "references": ["https://security.netapp.com/advisory/ntap-20171107-0002/", "https://access.redhat.com/errata/RHSA-2018:2185", "https://github.com/openssl/openssl/commit/4443cf7aa0099e5ce615c18cee249fff77fb0871"], "fixes": ["1.0.2g-1ubuntu4.9"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2017-3735", "noindex": false, "published": "2017-08-28T19:00:00.000Z", "modified": "2024-09-16T21:08:28.987Z", "cvss": 5.3, "cvss_vector": "", "severity": "medium", "epss": 0.20968, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2017-3735", "title": "CVE-2017-3735", "description": "While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.", "references": ["http://www.securitytracker.com/id/1039726", "https://usn.ubuntu.com/3611-2/", "https://www.debian.org/security/2017/dsa-4018"], "fixes": ["1.0.2g-1ubuntu4.9"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}, {"id": "CVE-2016-7055", "noindex": false, "published": "2017-05-04T20:00:00.000Z", "modified": "2024-08-06T01:50:46.654Z", "cvss": 5.9, "cvss_vector": "", "severity": "medium", "epss": 0.14225, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}], "path": "vulns/cve-2016-7055", "title": "CVE-2016-7055", "description": "There is a carry propagating bug in the Broadwell-specific Montgomery multiplication procedure in OpenSSL 1.0.2 and 1.1.0 before 1.1.0c that handles input lengths divisible by, but longer than 256 bits. Analysis suggests that attacks against RSA, DSA and DH private keys are impossible. This is because the subroutine in question is not used in operations with the private key itself and an input of the attacker's direct choice. Otherwise the bug can manifest itself as transient authentication and key negotiation failures or reproducible erroneous outcome of public-key operations with specially crafted input. Among EC algorithms only Brainpool P", "references": ["https://access.redhat.com/errata/RHSA-2018:2185", "https://access.redhat.com/errata/RHSA-2018:2186", "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"], "fixes": ["1.0.2g-1ubuntu4.6"], "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}]}], "total": 45, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 3, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "openssl", "path": "vulns/ubuntu-16.04-lts/openssl", "ecosystem": "Ubuntu:16.04:LTS"}], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}, {"name": "web", "path": "vulns/stack/web", "slug": "web"}, {"name": "php", "path": "vulns/stack/php", "slug": "php"}, {"name": "python", "path": "vulns/stack/python", "slug": "python"}, {"name": "node", "path": "vulns/stack/node", "slug": "node"}, {"name": "database", "path": "vulns/stack/database", "slug": "database"}, {"name": "containers", "path": "vulns/stack/containers", "slug": "containers"}, {"name": "network", "path": "vulns/stack/network", "slug": "network"}, {"name": "applications", "path": "vulns/stack/applications", "slug": "applications"}], "versions": [], "stats": {"recent": 0, "kev": 0}, "lastmod": "2026-10-15T17:19:17.232Z", "early_advisories": [], "license": "You may freely use the PatchFirst selection and our additions (priorities, early warnings, texts, summaries and aggregates) for your own purposes, including internal business use. Resale, commercial distribution and bulk mirroring of this selection or these additions require a written agreement with the operator. Whenever you use or publish the selection or our additions, credit PatchFirst (https://patchfirst.dev/vulns/) with this link to the regional feed page. Original records from open sources remain subject to their respective licenses and terms. These conditions do not restrict your rights to the original data, which you can obtain directly from those sources.", "terms_url": "https://patchfirst.dev/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "Records are selected, normalized and combined by PatchFirst; summaries and translations may be added. News is credited with a link to the original source in each entry.", "sources": [{"id": "cve", "name": "CVE List / CVE.org", "url": "https://www.cve.org/", "license": "CVE Terms of Use", "terms_url": "https://www.cve.org/Legal/TermsOfUse", "notice": "Copyright © 1999–2021, The MITRE Corporation. LICENSE Submissions : For all materials you submit to the Common Vulnerabilities and Exposures (CVE™), you hereby grant to The MITRE Corporation (MITRE) and all CVE Numbering Authorities (CNAs) a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute such materials and derivative works. Unless required by applicable law or agreed to in writing, you provide such materials on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. CVE Usage : MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. DISCLAIMERS ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN PROVIDED BY MITRE ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS, AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE."}, {"id": "osv", "name": "OSV", "url": "https://osv.dev/", "terms_url": "https://google.github.io/osv.dev/data/", "terms": "Upstream licenses vary; see the source catalog."}, {"id": "kev", "name": "CISA KEV", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "license": "CC0-1.0", "terms_url": "https://github.com/cisagov/kev-data/blob/develop/LICENSE"}, {"id": "epss", "name": "FIRST EPSS", "url": "https://www.first.org/epss/", "terms_url": "https://www.first.org/epss/faq", "terms": "Free public scores; attribution requested (FIRST EPSS, scores generated by Empirical Security)."}, {"id": "github-advisory", "name": "GitHub Advisory Database", "url": "https://github.com/advisories", "license": "CC-BY-4.0", "terms_url": "https://github.com/github/advisory-database/blob/main/LICENSE.md"}, {"id": "exploitdb", "name": "Exploit-DB", "url": "https://www.exploit-db.com/", "license": "GPL-2.0", "terms_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/LICENSE.md"}, {"id": "metasploit", "name": "Metasploit", "url": "https://github.com/rapid7/metasploit-framework", "license": "BSD-3-Clause", "terms_url": "https://github.com/rapid7/metasploit-framework/blob/master/LICENSE", "notice": "Copyright (c) 2006-2026, Rapid7, Inc.\nLicense: BSD-3-clause\n Redistribution and use in source and binary forms, with or without modification,\n are permitted provided that the following conditions are met:\n .\n * Redistributions of source code must retain the above copyright notice,\n this list of conditions and the following disclaimer.\n .\n * Redistributions in binary form must reproduce the above copyright notice,\n this list of conditions and the following disclaimer in the documentation\n and/or other materials provided with the distribution.\n .\n * Neither the name of Rapid7, Inc. nor the names of its contributors\n may be used to endorse or promote products derived from this software\n without specific prior written permission.\n .\n THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND\n ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n DISCLAIMED. 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