{"id":"CVE-2026-110654","state":"PUBLISHED","title":"libzvbi through 0.2.45 Out-of-Bounds Write via Teletext DRCS convert_drcs","description":"libzvbi through 0.2.45 contains an out-of-bounds write vulnerability in the Teletext decoder that allows attackers to corrupt memory by supplying unvalidated DRCS pixel-mode values in X/28/3 packets. Attackers can send a crafted Teletext stream decoded via vbi_decode with every slot set to DRCS_MODE_6_5_4, causing convert_drcs to overflow chars[48][60] and crash the application.","publishedAt":"2026-10-14T15:01:21.898Z","updatedAt":"2026-10-20T01:26:18.324Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["zapping-vbi libzvbi"],"affected":[{"vendor":"zapping-vbi","product":"libzvbi","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.2.45","versionType":"semver"}],"collectionURL":"https://github.com/zapping-vbi/zvbi","repo":"https://github.com/zapping-vbi/zvbi"}],"references":["https://hackmd.io/@haind-pwn/zvbi-teletext-drcs-mode-oob-write","https://github.com/zapping-vbi/zvbi/blob/d3a5ee9f2b047bf16cd1ee5ccf6ec05ee75409d0/src/packet.c#L447","https://github.com/zapping-vbi/zvbi","https://www.vulncheck.com/advisories/libzvbi-through-0.2.45-out-of-bounds-write-via-teletext-drcs-convert-drcs"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/110xxx/CVE-2026-110654.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110654","state":"PUBLISHED","datePublished":"2026-10-14T15:01:21.898Z","dateUpdated":"2026-10-20T01:26:18.324Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T13:08:38.678Z"},"containers":{"cna":{"title":"libzvbi through 0.2.45 Out-of-Bounds Write via Teletext DRCS convert_drcs","descriptions":[{"lang":"en","value":"libzvbi through 0.2.45 contains an out-of-bounds write vulnerability in the Teletext decoder that allows attackers to corrupt memory by supplying unvalidated DRCS pixel-mode values in X/28/3 packets. 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