{"id":"CVE-2025-71450","aliases":["EUVD-2025-211238","GHSA-gh7m-xpp3-w3vq","UBUNTU-CVE-2025-71450","openSUSE-SU-2026:12432-1"],"status":"published","title":"inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","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":"2026-11-10","score":0.00127,"percentile":0.02375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-127"],"published":"2026-11-02T14:28:50Z","modified":"2026-11-07T10:47:27Z","fixes":[{"ecosystem":"openSUSE:Tumbleweed","package":"inih","fixed_in":["63-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"libinih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["40-1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"libinih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["45-1","47-1","48-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"libinih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["53-1ubuntu1","53-1ubuntu2","53-1ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"libinih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["55-1ubuntu1","55-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"libinih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["61-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"libinih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["59-1ubuntu1","61-1ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"inih","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"63-1.1"}]}]}],"products":[{"vendor":"benhoyt","product":"inih"}],"references":[{"url":"https://github.com/benhoyt/inih/pull/206","tags":["issue-tracking","patch","fix","report"]},{"url":"https://github.com/benhoyt/inih/issues/223","tags":["issue-tracking","report"]},{"url":"https://github.com/benhoyt/inih/commit/8e06f6b77b5d4471bdc6d85ada81b67d37354a5c","tags":["patch","fix","report"]},{"url":"https://github.com/benhoyt/inih/blob/r62/ini.c#L162-L169","tags":["technical-description","article","report"]},{"url":"https://github.com/benhoyt/inih/releases/tag/r63","tags":["release-notes","advisory","report"]},{"url":"https://hackmd.io/@haindpwn/inih-long-line-discard-oob-read","tags":["technical-description","article","report"]},{"url":"https://www.vulncheck.com/advisories/inih-before-r63-stack-buffer-under-read-in-ini-parse-stream-discard-loop","tags":["third-party-advisory","advisory","report"]},{"url":"https://hackmd.io/@haindpwn/cve-2025-71450-inih-long-line-discard-oob-read#Detailed-attack-steps","tags":["exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-71450","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gh7m-xpp3-w3vq"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/71xxx/CVE-2025-71450.json","tags":["advisory"]},{"url":"https://github.com/benhoyt/inih","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-71450","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-71450","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2025-71450","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-71450","title":"inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","status":"published","published":"2026-11-02T14:28:50.157Z","modified":"2026-11-06T19:22:48.149Z","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-127"],"updated_at":"2026-11-06T20:30:03.598374Z"}],"euvd":[{"id":"EUVD-2025-211238","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","status":"published","published":"2026-11-02T14:28:50Z","modified":"2026-11-06T19:22:48Z","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":"2026-11-06T20:06:05.048214Z"}],"ghsa":[{"id":"GHSA-gh7m-xpp3-w3vq","title":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that...","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","status":"published","published":"2026-11-02T15:31:34Z","modified":"2026-11-06T21:31:09Z","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/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"}],"cwes":["CWE-127"],"updated_at":"2026-11-06T21:34:15.587491Z"}],"nvd":[{"id":"CVE-2025-71450","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","status":"published","published":"2026-11-02T15:17:12.65Z","modified":"2026-11-06T20:17:04.583Z","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-127"],"updated_at":"2026-11-06T22:02:16.10095Z"}],"osv":[{"id":"CVE-2025-71450","title":"inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","status":"published","published":"2026-11-02T14:28:50.157Z","modified":"2026-11-08T07:06:00.333456437Z","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-127"],"updated_at":"2026-11-07T11:15:38.581573Z"},{"id":"UBUNTU-CVE-2025-71450","description":"inih before r63 contains a one-byte stack buffer under-read in ini_parse_stream() in ini.c that allows attackers to read abyss[-1] via an embedded NUL byte after an overlong line. Attackers can supply an INI file or string with a line of at least INI_MAX_LINE-1 bytes followed by a NUL byte, causing undefined behavior reported by memory sanitizers.","status":"published","published":"2026-11-02T15:17:00Z","modified":"2026-11-05T04:25:00Z","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":"2026-11-05T13:33:42.748455Z"},{"id":"openSUSE-SU-2026:12432-1","title":"libinih-devel-63-1.1 on GA media","description":"These are all security issues fixed in the libinih-devel-63-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-05T00:00:00Z","modified":"2026-11-06T17:23:11.702419833Z","updated_at":"2026-11-06T18:05:03.243497Z"}]}}