{"id":"CVE-2026-110654","revision":"1f9eae58051e497a81cd9c58d7e13b9d","records":[{"revision":"1f9eae58051e497a81cd9c58d7e13b9d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110654","aliases":[],"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.","state":0,"publishedAt":"2026-10-14T15:01:21.898+00:00","modifiedAt":"2026-10-20T01:26:18.324+00:00","affected":[{"ecosystem":"https://github.com/zapping-vbi/zvbi","name":"libzvbi","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"zapping-vbi\",\n                    \"product\": \"libzvbi\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"0.2.45\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/zapping-vbi/zvbi\",\n                    \"repo\": \"https://github.com/zapping-vbi/zvbi\"\n                }"}],"metrics":[{"system":"CVSS 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","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H","score":6.1,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110654","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110654","identifiers":["CVE-2026-110654"]},"retained":false,"historicalAffected":[]}],"coverage":[]}