{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-71450","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-02T14:15:20.723Z","datePublished":"2026-11-02T14:28:50.157Z","dateUpdated":"2026-11-02T14:28:50.157Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-02T14:28:50.157Z"},"datePublic":"2025-10-20T00:00:00.000Z","title":"inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Buffer Under-read","cweId":"CWE-127","type":"CWE"}]}],"affected":[{"vendor":"benhoyt","product":"inih","defaultStatus":"unaffected","versions":[{"version":"0","lessThan":"r63","status":"affected","versionType":"custom"}],"repo":"https://github.com/benhoyt/inih"}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":3.3,"baseSeverity":"LOW"}}],"references":[{"url":"https://github.com/benhoyt/inih/pull/206","tags":["issue-tracking","patch"]},{"url":"https://github.com/benhoyt/inih/issues/223","tags":["issue-tracking"]},{"url":"https://github.com/benhoyt/inih/commit/8e06f6b77b5d4471bdc6d85ada81b67d37354a5c","tags":["patch"]},{"url":"https://github.com/benhoyt/inih/blob/r62/ini.c#L162-L169","tags":["technical-description"]},{"url":"https://github.com/benhoyt/inih/releases/tag/r63","tags":["release-notes"],"name":"inih r63 Release Notes"},{"url":"https://hackmd.io/@haindpwn/inih-long-line-discard-oob-read","tags":["technical-description"]},{"name":"VulnCheck Advisory: inih before r63 Stack Buffer Under-Read in ini_parse_stream Discard Loop","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/inih-before-r63-stack-buffer-under-read-in-ini-parse-stream-discard-loop"}],"credits":[{"lang":"en","value":"Fatih Çelik (fatihhcelik)","type":"finder"},{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}