{"kind": "product", "path": "vulns/debian-13/python-jwcrypto", "name": "python-jwcrypto", "product": "python-jwcrypto", "ecosystem": "Debian:13", "items": [{"id": "CVE-2026-92091", "noindex": false, "published": "2026-09-16T07:34:08.840Z", "modified": "2026-09-16T14:55:19.799Z", "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": 0.00569, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-92091", "title": "Jwcrypto: jwcrypto: denial of service via o(n^2) duplicate check on unbounded jwk key_ops array", "description": "A flaw was found in jwcrypto. The JWK.import_key() function validates the key_ops JWK member for duplicate values using an algorithm with O(n^2) time complexity, and the length of key_ops is not bounded. A remote, unauthenticated attacker can supply a JWK with a large key_ops array to an application that passes attacker-controlled key material to a public key-import API (reachable via ECDH-ES key agreement, OIDC dynamic client registration, DPoP, or ACME account key registration, among others) to consume excessive CPU time, resulting in a denial of service.", "references": ["https://access.redhat.com/security/cve/CVE-2026-92091", "https://bugzilla.redhat.com/show_bug.cgi?id=2533849", "https://github.com/latchset/jwcrypto/security/advisories/GHSA-pwgw-f7xr-863h"], "fixes": [], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-84185", "noindex": false, "published": "2026-09-03T20:46:40.788Z", "modified": "2026-09-04T18:57:22.299Z", "cvss": 5.9, "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:N", "severity": "medium", "epss": 0.00131, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-84185", "title": "Jwcrypto: jwcrypto: general json jws kid binding bypass during jwkset verification", "description": "A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the specific key ID (kid) and may instead accept a signature made by any valid key in the set. This can allow an attacker with a valid key to bypass authorization checks in applications that rely on the key ID to identify specific tenants or users.", "references": ["https://access.redhat.com/security/cve/CVE-2026-84185", "https://bugzilla.redhat.com/show_bug.cgi?id=2526729", "https://nvd.nist.gov/vuln/detail/CVE-2026-84185"], "fixes": [], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-80179", "noindex": false, "published": "2026-08-27T21:14:23.428Z", "modified": "2026-09-09T17:11:03.875Z", "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": 0.00407, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-80179", "title": "Jwcrypto: jwcrypto: denial of service via malformed jwe tokens", "description": "A flaw was found in jwcrypto. A remote attacker can send a specially crafted JSON Web Encryption (JWE) token containing numerous period delimiters. This malformed token can force the JWE.deserialize() function to allocate excessive memory, leading to a MemoryError. This issue results in a denial of service (DoS) for services that process untrusted JWE values.", "references": ["https://access.redhat.com/security/cve/CVE-2026-80179", "https://bugzilla.redhat.com/show_bug.cgi?id=2524147", "https://github.com/latchset/jwcrypto/security/advisories/GHSA-96rv-c4vc-h4f4"], "fixes": [], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-39373", "noindex": false, "published": "2026-04-07T19:35:36.071Z", "modified": "2026-04-07T20:22:57.790Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "severity": "medium", "epss": 0.00294, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-39373", "title": "JWCrypto: JWE ZIP decompression bomb", "description": "JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to 1.5.7, an unauthenticated attacker can exhaust server memory by sending crafted JWE tokens with ZIP compression. The existing patch for CVE-2024-28102  limits input token size to 250KB but does not validate the decompressed output size. An unauthenticated attacker can cause memory exhaustion on memory-constrained systems. A token under the 250KB input limit can decompress to approximately 100MB. This vulnerability is fixed in 1.5.7.", "references": ["https://github.com/latchset/jwcrypto/security/advisories/GHSA-fjrm-76x2-c4q4", "https://nvd.nist.gov/vuln/detail/CVE-2026-39373"], "fixes": ["1.5.6-1.1~deb13u1"], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}, {"id": "CVE-2024-28102", "noindex": false, "published": "2024-03-06T21:09:58.064Z", "modified": "2024-09-09T13:06:44.240Z", "cvss": 6.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H", "severity": "medium", "epss": 0.0098, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2024-28102", "title": "JWCrypto vulnerable to JWT bomb Attack in `deserialize` function", "description": "JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.", "references": ["https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97", "https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f", "https://www.vicarius.io/vsociety/posts/denial-of-service-vulnerability-discovered-in-jwcrypto-cve-2024-28102-28103"], "fixes": ["1.5.6-1"], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}, {"id": "CVE-2023-6681", "noindex": false, "published": "2024-02-12T14:04:45.113Z", "modified": "2026-02-26T20:34:50.814Z", "cvss": 5.3, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "severity": "medium", "epss": 0.00884, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-6681", "title": "Jwcrypto: denail of service  via specifically crafted jwe", "description": "A vulnerability was found in JWCrypto. This flaw allows an attacker to cause a denial of service (DoS) attack and possible password brute-force and dictionary attacks to be more resource-intensive. This issue can result in a large amount of computational consumption, causing a denial of service attack.", "references": ["https://access.redhat.com/errata/RHSA-2024:3267", "https://access.redhat.com/errata/RHSA-2024:9281", "https://access.redhat.com/security/cve/CVE-2023-6681"], "fixes": ["1.5.4-1"], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}, {"id": "CVE-2016-6298", "noindex": false, "published": "2016-09-01T23:00:00.000Z", "modified": "2024-08-06T01:22:20.877Z", "cvss": 6, "cvss_vector": "", "severity": "medium", "epss": 0.02245, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2016-6298", "title": "CVE-2016-6298", "description": "The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which makes it easier for remote attackers to obtain cleartext data via a Million Message Attack (MMA).", "references": ["https://github.com/latchset/jwcrypto/issues/65", "https://github.com/latchset/jwcrypto/pull/66", "http://www.securityfocus.com/bid/92729"], "fixes": ["0.3.2-1"], "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}]}], "total": 7, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "python-jwcrypto", "path": "vulns/debian-13/python-jwcrypto", "ecosystem": "Debian:13"}], "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": "2026-09-16T14:55:19.799Z", "early_advisories": [], "license": "Sie dürfen die Auswahl von PatchFirst und unsere Ergänzungen (Prioritäten, Frühwarnungen, Texte, Zusammenfassungen und Aggregate) für eigene Zwecke einschließlich interner geschäftlicher Aufgaben frei nutzen. Weiterverkauf, kommerzielle Verbreitung und massenhafte Spiegelung dieser Auswahl oder Ergänzungen erfordern eine schriftliche Vereinbarung mit dem Betreiber. Nennen Sie bei jeder Nutzung oder Veröffentlichung der Auswahl oder unserer Ergänzungen PatchFirst (https://patchfirst.dev/vulns/) mit diesem Link zur Feedseite Ihrer Region als Quelle. Originaleinträge aus offenen Quellen unterliegen weiterhin ihren jeweiligen Lizenzen und Bedingungen. Diese Bedingungen beschränken Ihre Rechte an den Originaldaten nicht, die Sie direkt bei den Quellen beziehen können.", "terms_url": "https://patchfirst.dev/de/vulns/#feed-terms", "attribution": {"name": "PatchFirst", "url": "https://patchfirst.dev/vulns/"}, "source_changes": "PatchFirst wählt Einträge aus, normalisiert und kombiniert sie; Zusammenfassungen und Übersetzungen können hinzukommen. Nachrichten werden im jeweiligen Eintrag mit einem Link zur Originalquelle belegt.", "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. 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