{"id":"CVE-2026-112284","state":"PUBLISHED","title":"libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR","description":"libaribcaption 1.1.0 through 1.1.2 contains a global out-of-bounds read in DecoderImpl::HandleGLGR() that reads past the 78-entry kLatinSpecialTable without an upper bound check. Attackers can supply crafted captions designating the Latin special set with ESC 28 4C followed by bytes 0x6F-0x7E to leak adjacent read-only data or crash decoding.","publishedAt":"2026-10-19T13:55:28.447Z","updatedAt":"2026-10-19T17:55:16.813Z","severity":{"score":4.8,"label":"Medium","version":"4.0","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","source":"VulnCheck"},"assigner":"VulnCheck","products":["xqq libaribcaption"],"affected":[{"vendor":"xqq","product":"libaribcaption","defaultStatus":"unaffected","versions":[{"version":"1.1.0","status":"affected","lessThanOrEqual":"1.1.2","versionType":"semver"}],"collectionURL":"https://github.com/xqq/libaribcaption","repo":"https://github.com/xqq/libaribcaption"}],"references":["https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-read","https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/decoder_impl.cpp","https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/b24_conv_tables.hpp","https://github.com/xqq/libaribcaption/commit/9917cb311c93d884cb820d122911a211042da26c","https://www.vulncheck.com/advisories/libaribcaption-1.1.0-through-1.1.2-out-of-bounds-read-via-decoderimpl-handleglgr"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/112xxx/CVE-2026-112284.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-112284","state":"PUBLISHED","datePublished":"2026-10-19T13:55:28.447Z","dateUpdated":"2026-10-19T17:55:16.813Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-19T13:25:31.815Z"},"containers":{"cna":{"title":"libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR","descriptions":[{"lang":"en","value":"libaribcaption 1.1.0 through 1.1.2 contains a global out-of-bounds read in DecoderImpl::HandleGLGR() that reads past the 78-entry kLatinSpecialTable without an upper bound check. Attackers can supply crafted captions designating the Latin special set with ESC 28 4C followed by bytes 0x6F-0x7E to leak adjacent read-only data or crash decoding."}],"affected":[{"vendor":"xqq","product":"libaribcaption","defaultStatus":"unaffected","versions":[{"version":"1.1.0","status":"affected","lessThanOrEqual":"1.1.2","versionType":"semver"}],"collectionURL":"https://github.com/xqq/libaribcaption","repo":"https://github.com/xqq/libaribcaption"}],"references":[{"url":"https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-read","tags":["third-party-advisory"]},{"url":"https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/decoder_impl.cpp","tags":["technical-description"]},{"url":"https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/b24_conv_tables.hpp","tags":["technical-description"]},{"url":"https://github.com/xqq/libaribcaption/commit/9917cb311c93d884cb820d122911a211042da26c","tags":["technical-description","patch"]},{"url":"https://www.vulncheck.com/advisories/libaribcaption-1.1.0-through-1.1.2-out-of-bounds-read-via-decoderimpl-handleglgr","name":"VulnCheck Advisory: libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR","tags":["third-party-advisory"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-19T13:55:28.447Z"},"datePublic":"2026-10-17T17:52:39.000Z","credits":[{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-read","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T17:52:51.826283Z","id":"CVE-2026-112284","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-19T17:55:16.813Z"}}]}}}