{"id":"CVE-2026-124310","aliases":["EUVD-2026-119276","GHSA-4jc3-2h8h-765r"],"status":"published","title":"Fraunhofer HHI VVdeC before 3.2.1 Out-of-Bounds Read via Slice::getRefPic","description":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying bitstreams with overlapping slice CTU coverage. Attackers can code a CTU in a second slice so a bi-predicted BDOF coding unit carries a negative reference index, causing Slice::getRefPic to read outside m_apcRefPicList and crash decoding.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0012,"percentile":0.01862,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-129"],"published":"2026-11-07T14:17:52Z","modified":"2026-11-12T10:45:21Z","products":[{"vendor":"fraunhoferhhi","product":"vvdec"}],"references":[{"url":"https://github.com/fraunhoferhhi/vvdec/issues/402","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/fraunhoferhhi/vvdec/commit/6e4b907ef5ab9db390b1293ba1ad5d7dd0a67e3f","tags":["patch","fix"]},{"url":"https://github.com/fraunhoferhhi/vvdec/commit/32b842c10bf024f09bc7cf1445fa6f8a987422ca","tags":["patch","fix"]},{"url":"https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/CommonLib/InterPrediction.cpp#L609-L631","tags":["technical-description","article"]},{"url":"https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/CommonLib/Slice.h#L2645","tags":["technical-description","article"]},{"url":"https://github.com/fraunhoferhhi/vvdec","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/fraunhofer-hhi-vvdec-before-3.2.1-out-of-bounds-read-via-slice-getrefpic","tags":["third-party-advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/11/11/24","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124310","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4jc3-2h8h-765r"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/124xxx/CVE-2026-124310.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-124310","title":"Fraunhofer HHI VVdeC before 3.2.1 Out-of-Bounds Read via Slice::getRefPic","description":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying bitstreams with overlapping slice CTU coverage. Attackers can code a CTU in a second slice so a bi-predicted BDOF coding unit carries a negative reference index, causing Slice::getRefPic to read outside m_apcRefPicList and crash decoding.","status":"published","published":"2026-11-07T14:17:52.411Z","modified":"2026-11-11T19:05:12.002Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-129"],"updated_at":"2026-11-11T21:33:02.552103Z"}],"euvd":[{"id":"EUVD-2026-119276","description":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying bitstreams with overlapping slice CTU coverage. Attackers can code a CTU in a second slice so a bi-predicted BDOF coding unit carries a negative reference index, causing Slice::getRefPic to read outside m_apcRefPicList and crash decoding.","status":"published","published":"2026-11-07T14:17:52Z","modified":"2026-11-11T19:05:12Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-07T18:10:08.696559Z"}],"ghsa":[{"id":"GHSA-4jc3-2h8h-765r","title":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows...","description":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying bitstreams with overlapping slice CTU coverage. Attackers can code a CTU in a second slice so a bi-predicted BDOF coding unit carries a negative reference index, causing Slice::getRefPic to read outside m_apcRefPicList and crash decoding.","status":"published","published":"2026-11-07T15:30:29Z","modified":"2026-11-11T21:32:54Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-129"],"updated_at":"2026-11-11T21:36:27.876473Z"}],"nvd":[{"id":"CVE-2026-124310","description":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying bitstreams with overlapping slice CTU coverage. Attackers can code a CTU in a second slice so a bi-predicted BDOF coding unit carries a negative reference index, causing Slice::getRefPic to read outside m_apcRefPicList and crash decoding.","status":"published","published":"2026-11-07T15:17:14.827Z","modified":"2026-11-12T20:28:31.817Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-129"],"updated_at":"2026-11-11T21:26:19.142658Z"}],"osv":[{"id":"CVE-2026-124310","title":"Fraunhofer HHI VVdeC before 3.2.1 Out-of-Bounds Read via Slice::getRefPic","description":"Fraunhofer HHI VVdeC before 3.2.1 contains an out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying bitstreams with overlapping slice CTU coverage. Attackers can code a CTU in a second slice so a bi-predicted BDOF coding unit carries a negative reference index, causing Slice::getRefPic to read outside m_apcRefPicList and crash decoding.","status":"published","published":"2026-11-07T14:17:52.411Z","modified":"2026-11-12T10:45:21.972197196Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-129"],"updated_at":"2026-11-12T11:17:24.122775Z"}]}}