{"id":"CVE-2025-15614","aliases":["DEBIAN-CVE-2025-15614","EUVD-2025-210857","GHSA-85v4-hj64-h8x4","MGASA-2026-0495","UBUNTU-CVE-2025-15614"],"status":"published","title":"ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00168,"percentile":0.06095,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2026-09-05T11:37:59Z","modified":"2026-10-28T10:59:15Z","fixes":[{"ecosystem":"Debian:14","package":"ugrep","fixed_in":["7.6.0+dfsg-1"],"sources":["osv"]},{"ecosystem":"Mageia:10","package":"ugrep","fixed_in":["7.8.5-1.mga10"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.11.2+dfsg-1","3.12.1+dfsg-1","3.12.6+dfsg-1","3.12.7+dfsg-1","4.1.0+dfsg-1","4.3.1+dfsg-1","4.3.2+dfsg-1","4.3.2+dfsg-2","4.3.2+dfsg-3","4.3.3+dfsg-1","4.3.4+dfsg-1","4.3.6+dfsg-1","4.4.1+dfsg-1","4.5.1+dfsg-1","4.5.1+dfsg-2","4.5.1+dfsg-3","4.5.1+dfsg-4","4.5.1+dfsg-5","4.5.2+dfsg-1","5.0.0+dfsg-1","5.1.1+dfsg-1","5.1.3+dfsg-1","5.1.4+dfsg-1","6.0.0+dfsg-1","6.0.1+dfsg-1","6.4.1+dfsg-1","6.5.0+dfsg-1","7.0.2+dfsg-1","7.0.4+dfsg-1","7.1.1+dfsg-1","7.1.2+dfsg-1","7.2.1+dfsg-1","7.4.2+dfsg-1","7.5.0+dfsg-1","7.6.0+dfsg-1","7.8.2+dfsg-1","7.8.2+dfsg-2","7.8.4+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.4.2+dfsg-1","7.5.0+dfsg-1","7.6.0+dfsg-1","7.8.2+dfsg-1","7.8.2+dfsg-2","7.8.4+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.6.0+dfsg-1"}]}],"versions":["7.4.2+dfsg-1","7.5.0+dfsg-1"]},{"source":"osv","ecosystem":"Mageia:10","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.5-1.mga10"}]}]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.3.6+dfsg-1","3.3.8+dfsg-1","3.3.9+dfsg-1","3.3.10+dfsg-1","3.5.0+dfsg-1","3.6.0+dfsg-1","3.7.1+dfsg-1","3.7.2+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.12.7+dfsg-1","4.3.1+dfsg-1","4.3.2+dfsg-2","4.3.2+dfsg-3","4.3.3+dfsg-1","4.3.4+dfsg-1","4.3.6+dfsg-1","4.4.1+dfsg-1","4.5.2+dfsg-1","5.0.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ugrep","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.4.2+dfsg-1","7.5.0+dfsg-1"]}],"products":[{"vendor":"genivia","product":"ugrep"}],"references":[{"url":"https://github.com/Genivia/ugrep/issues/511","tags":["issue-tracking","report"]},{"url":"https://github.com/Genivia/ugrep/commit/c12849a11264e2c81c860bf78ee9039772f307a4","tags":["patch","fix"]},{"url":"https://github.com/Genivia/ugrep/blob/v7.5.0/src/zopen.c#L673","tags":["technical-description","article"]},{"url":"https://github.com/Genivia/ugrep/releases/tag/v7.6.0","tags":["release-notes","advisory","web"]},{"url":"https://github.com/Genivia/ugrep","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/ugrep-before-7.6.0-heap-buffer-over-read-via-z-decompression","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15614","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-85v4-hj64-h8x4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15614.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-15614","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0495.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=36487","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-15614","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-15614","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-15614","title":"ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T11:37:59.256Z","modified":"2026-09-24T14:17:15.514Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:32:37.351404Z"}],"euvd":[{"id":"EUVD-2025-210857","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T11:37:59Z","modified":"2026-09-24T14:17:15Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:58.186745Z"}],"ghsa":[{"id":"GHSA-85v4-hj64-h8x4","title":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when...","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T12:31:28Z","modified":"2026-09-05T12:31:34Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:11:24.999449Z"}],"nvd":[{"id":"CVE-2025-15614","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T12:16:45.45Z","modified":"2026-10-19T22:10:00.13Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:03.20248Z"}],"osv":[{"id":"CVE-2025-15614","title":"ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T11:37:59.256Z","modified":"2026-10-28T10:59:15.961116545Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:46.340268Z"},{"id":"DEBIAN-CVE-2025-15614","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T12:16:45.45Z","modified":"2026-10-23T17:47:35.589093788Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:45.102284Z"},{"id":"UBUNTU-CVE-2025-15614","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.","status":"published","published":"2026-09-05T12:16:00Z","modified":"2026-09-16T14:02:17.662081996Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:20.144818Z"},{"id":"MGASA-2026-0495","title":"Updated ugrep package fixes a security vulnerability","description":"ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the\nLZW decompressor when processing crafted .Z archive files. Attackers can\nsupply malformed .Z files that cause the decompressor to read one byte\npast the allocated heap buffer, potentially crashing the process.\n","status":"published","published":"2026-10-12T20:48:13Z","modified":"2026-10-12T21:00:03.210383057Z","updated_at":"2026-11-02T15:49:43.795591Z"}]}}