{"id":"CVE-2026-116741","state":"PUBLISHED","title":"Speex through 1.2.1 Out-of-Bounds Write via speex_bits_read_whole_bytes","description":"Speex (libspeex) through 1.2.1 contains an out-of-bounds write vulnerability in speex_bits_read_whole_bytes() in libspeex/bits.c that mishandles length truncation for non-owned SpeexBits buffers. Attackers can stream crafted Speex data into buffers set up with speex_bits_init_buffer() or speex_bits_set_bit_buffer() to corrupt heap or stack memory and crash applications.","publishedAt":"2026-10-26T21:52:40.782Z","updatedAt":"2026-10-26T21:52:40.782Z","severity":{"score":8.3,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["xiph speex"],"affected":[{"vendor":"xiph","product":"speex","packageURL":"pkg:github/xiph/speex","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.2.1","versionType":"custom"}],"repo":"https://github.com/xiph/speex"}],"references":["https://github.com/xiph/speex/issues/42","https://github.com/xiph/speex","https://github.com/xiph/speex/blob/Speex-1.2.1/libspeex/bits.c#L177","https://hackmd.io/@haindpwn/speex-bits-read-whole-bytes-oob-write","https://gitlab.xiph.org/xiph/speex/-/merge_requests/32","https://www.vulncheck.com/advisories/speex-through-1.2.1-out-of-bounds-write-via-speex-bits-read-whole-bytes"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/116xxx/CVE-2026-116741.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-116741","state":"PUBLISHED","datePublished":"2026-10-26T21:52:40.782Z","dateUpdated":"2026-10-26T21:52:40.782Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-26T20:23:36.495Z"},"containers":{"cna":{"title":"Speex through 1.2.1 Out-of-Bounds Write via speex_bits_read_whole_bytes","descriptions":[{"lang":"en","value":"Speex (libspeex) through 1.2.1 contains an out-of-bounds write vulnerability in speex_bits_read_whole_bytes() in libspeex/bits.c that mishandles length truncation for non-owned SpeexBits buffers. Attackers can stream crafted Speex data into buffers set up with speex_bits_init_buffer() or speex_bits_set_bit_buffer() to corrupt heap or stack memory and crash applications."}],"affected":[{"vendor":"xiph","product":"speex","packageURL":"pkg:github/xiph/speex","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.2.1","versionType":"custom"}],"repo":"https://github.com/xiph/speex"}],"references":[{"url":"https://github.com/xiph/speex/issues/42","tags":["issue-tracking"],"name":"GitHub Issue #42"},{"url":"https://github.com/xiph/speex","tags":["product"]},{"url":"https://github.com/xiph/speex/blob/Speex-1.2.1/libspeex/bits.c#L177","tags":["technical-description"]},{"url":"https://hackmd.io/@haindpwn/speex-bits-read-whole-bytes-oob-write","tags":["third-party-advisory"]},{"url":"https://gitlab.xiph.org/xiph/speex/-/merge_requests/32","tags":["patch"]},{"url":"https://www.vulncheck.com/advisories/speex-through-1.2.1-out-of-bounds-write-via-speex-bits-read-whole-bytes","name":"VulnCheck Advisory: Speex through 1.2.1 Out-of-Bounds Write via speex_bits_read_whole_bytes","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.3,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-26T21:52:40.782Z"},"datePublic":"2026-10-22T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:xiph:speex:*:*:*:*:*:*:*:*","versionEndIncluding":"1.2.1"}]}]}],"credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}