{"kind": "product", "path": "vulns/debian-13/zlib", "name": "zlib", "product": "zlib", "ecosystem": "Debian:13", "items": [{"id": "CVE-2026-85091", "noindex": false, "published": "2026-09-03T01:04:44.460Z", "modified": "2026-09-03T13:21:30.355Z", "cvss": 8.3, "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N", "severity": "high", "epss": 0.00469, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-85091", "title": "zlib 1.3.1.2 through 1.3.2 Heap Buffer Overflow via gz_vacate", "description": "zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf() or gzvprintf() after a write stall, causing an unchecked memmove() to write beyond the internal input buffer boundary.", "references": ["https://gist.github.com/thesmartshadow/e0b9481792afb7c31e86fee1ff084490", "https://github.com/madler/zlib/blob/v1.3.2/gzwrite.c#L393", "https://github.com/madler/zlib"], "fixes": [], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-27171", "noindex": false, "published": "2026-02-18T02:36:19.509Z", "modified": "2026-02-18T13:38:55.713Z", "cvss": 2.9, "cvss_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "severity": "low", "epss": 0.00248, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-27171", "title": "CVE-2026-27171", "description": "zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.", "references": ["https://github.com/madler/zlib/issues/904", "https://7asecurity.com/reports/pentest-report-zlib-RC1.1.pdf", "https://7asecurity.com/blog/2026/02/zlib-7asecurity-audit/"], "fixes": [], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2026-22184", "noindex": false, "published": "2026-01-07T20:25:19.892Z", "modified": "2026-09-01T12:04:44.550Z", "cvss": 4.6, "cvss_vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N", "severity": "medium", "epss": 0.00413, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2026-22184", "title": "zlib <= 1.3.1.2 untgz Global Buffer Overflow in TGZfname()", "description": "zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression library. The flaw occurs when a user executes the untgz command with an excessively long archive name supplied via the command line, leading to an out-of-bounds write in a fixed-size global buffer.", "references": ["https://seclists.org/fulldisclosure/2026/Jan/3", "https://zlib.net/", "https://github.com/madler/zlib"], "fixes": ["1:1.2.6.dfsg-1"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2023-45853", "noindex": false, "published": "2023-10-14T00:00:00.000Z", "modified": "2026-10-14T23:55:52.951Z", "cvss": 8.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.03448, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2023-45853", "title": "CVE-2023-45853", "description": "MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an affected zlib version, and exposes the applicable MiniZip code through its compress API.", "references": ["https://github.com/madler/zlib/pull/843", "https://www.winimage.com/zLibDll/minizip.html", "https://github.com/madler/zlib/blob/ac8f12c97d1afd9bafa9c710f827d40a407d3266/contrib/README.contrib#L1-L4"], "fixes": ["1:1.3.dfsg-2"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2022-37434", "noindex": false, "published": "2022-08-05T00:00:00.000Z", "modified": "2026-10-14T17:26:17.899Z", "cvss": 9.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "severity": "critical", "epss": 0.19243, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2022-37434", "title": "CVE-2022-37434", "description": "zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference).", "references": ["https://github.com/ivd38/zlib_overflow", "https://github.com/madler/zlib/commit/eff308af425b67093bab25f80f1ae950166bece1", "https://github.com/madler/zlib/blob/21767c654d31d2dccdde4330529775c6c5fd5389/zlib.h#L1062-L1063"], "fixes": ["1:1.2.11.dfsg-4.1"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2018-25032", "noindex": false, "published": "2022-03-25T00:00:00.000Z", "modified": "2026-10-14T06:35:20.087Z", "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": 0.51733, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2018-25032", "title": "CVE-2018-25032", "description": "zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.", "references": ["https://www.openwall.com/lists/oss-security/2022/03/24/1", "https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531", "http://www.openwall.com/lists/oss-security/2022/03/25/2"], "fixes": ["1:1.2.11.dfsg-4"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2016-9843", "noindex": false, "published": "2017-05-23T03:56:00.000Z", "modified": "2024-08-06T02:59:03.637Z", "cvss": 9.8, "cvss_vector": "", "severity": "critical", "epss": 0.05766, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2016-9843", "title": "CVE-2016-9843", "description": "The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.", "references": ["https://access.redhat.com/errata/RHSA-2017:1221", "https://access.redhat.com/errata/RHSA-2017:1220", "https://access.redhat.com/errata/RHSA-2017:3047"], "fixes": ["1:1.2.8.dfsg-3"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2016-9842", "noindex": false, "published": "2017-05-23T03:56:00.000Z", "modified": "2026-07-14T11:44:50.782Z", "cvss": 8.8, "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "severity": "high", "epss": 0.05204, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2016-9842", "title": "CVE-2016-9842", "description": "The inflateMark function in inflate.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving left shifts of negative integers.", "references": ["https://access.redhat.com/errata/RHSA-2017:1221", "https://access.redhat.com/errata/RHSA-2017:1220", "https://access.redhat.com/errata/RHSA-2017:3047"], "fixes": ["1:1.2.8.dfsg-3"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2016-9841", "noindex": false, "published": "2017-05-23T03:56:00.000Z", "modified": "2026-10-08T21:13:51.698Z", "cvss": 9.8, "cvss_vector": "", "severity": "critical", "epss": 0.0755, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2016-9841", "title": "CVE-2016-9841", "description": "inffast.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.", "references": ["https://access.redhat.com/errata/RHSA-2017:1221", "https://access.redhat.com/errata/RHSA-2017:1220", "https://access.redhat.com/errata/RHSA-2017:3047"], "fixes": ["1:1.2.8.dfsg-4"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2016-9840", "noindex": false, "published": "2017-05-23T03:56:00.000Z", "modified": "2026-10-08T21:24:17.704Z", "cvss": 8.8, "cvss_vector": "", "severity": "high", "epss": 0.04875, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2016-9840", "title": "CVE-2016-9840", "description": "inftrees.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact by leveraging improper pointer arithmetic.", "references": ["https://access.redhat.com/errata/RHSA-2017:1221", "https://access.redhat.com/errata/RHSA-2017:1220", "https://access.redhat.com/errata/RHSA-2017:3047"], "fixes": ["1:1.2.8.dfsg-3"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2005-1849", "noindex": false, "published": "2005-07-26T04:00:00.000Z", "modified": "2024-08-07T22:06:57.556Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": 0.04076, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2005-1849", "title": "CVE-2005-1849", "description": "inftrees.h in zlib 1.2.2 allows remote attackers to cause a denial of service (application crash) via an invalid file that causes a large dynamic tree to be produced.", "references": ["https://exchange.xforce.ibmcloud.com/vulnerabilities/21456", "http://www.debian.org/security/2006/dsa-1026", "http://secunia.com/advisories/19334"], "fixes": ["1:1.2.3-1"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2005-2096", "noindex": false, "published": "2005-07-06T04:00:00.000Z", "modified": "2026-07-14T11:44:47.371Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": 0.05627, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2005-2096", "title": "CVE-2005-2096", "description": "zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash) via a crafted compressed stream with an incomplete code description of a length greater than 1, which leads to a buffer overflow, as demonstrated using a crafted PNG file.", "references": ["http://sunsolve.sun.com/search/document.do?assetkey=1-26-101989-1", "http://www.debian.org/security/2006/dsa-1026", "http://secunia.com/advisories/17236"], "fixes": ["1:1.2.2-7"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2004-0797", "noindex": false, "published": "2004-09-14T04:00:00.000Z", "modified": "2024-08-08T00:31:47.043Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": 0.00472, "kev": false, "exploits": [], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2004-0797", "title": "CVE-2004-0797", "description": "The error handling in the (1) inflate and (2) inflateBack functions in ZLib compression library 1.2.x allows local users to cause a denial of service (application crash).", "references": ["http://www.securityfocus.com/bid/11051", "http://www.osvdb.org/9361", "http://www.osvdb.org/9360"], "fixes": ["1:1.2.1.1-6"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}, {"id": "CVE-2003-0107", "noindex": false, "published": "2004-09-01T04:00:00.000Z", "modified": "2024-08-08T01:43:36.002Z", "cvss": null, "cvss_vector": "", "severity": "unknown", "epss": 0.25987, "kev": false, "exploits": ["exploitdb"], "stacks": [{"name": "system", "path": "vulns/stack/system", "slug": "system"}], "path": "vulns/cve-2003-0107", "title": "CVE-2003-0107", "description": "Buffer overflow in the gzprintf function in zlib 1.1.4, when zlib is compiled without vsnprintf or when long inputs are truncated using vsnprintf, allows attackers to cause a denial of service or possibly execute arbitrary code.", "references": ["http://lists.apple.com/mhonarc/security-announce/msg00038.html", "http://jvn.jp/en/jp/JVN78689801/index.html", "http://jvndb.jvn.jp/en/contents/2015/JVNDB-2015-000066.html"], "fixes": ["1:1.1.4-10"], "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "ecosystem": "Debian:13"}]}], "total": 14, "unknown_count": 0, "release_unconfirmed": false, "page": 1, "pages": 1, "filtered": false, "noindex": false, "filters": {}, "page_size": 20, "products": [{"name": "zlib", "path": "vulns/debian-13/zlib", "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": "2026-10-14T23:55:52.951Z", "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. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR\n ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON\n ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."}, {"id": "nuclei", "name": "Nuclei Templates", "url": "https://github.com/projectdiscovery/nuclei-templates", "license": "MIT", "terms_url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/LICENSE.md", "notice": "MIT License\n\nCopyright (c) 2025 ProjectDiscovery, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in all\ncopies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\nSOFTWARE."}, {"id": "linux-kernel", "name": "Linux kernel releases", "url": "https://www.kernel.org/", "license": "CC-BY-SA-4.0", "terms_url": "https://www.kernel.org/legal.html", "notice": "Copyright (C) 1997-2014 by The Linux Kernel Organization, Inc."}]}