{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"fraunhoferhhi/vvdec","product":"vvdec","source":"CNA: VulnCheck","vendor":"fraunhoferhhi","versions":[{"lessThan":"3.2.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.2.1","versionType":"semver"}]}],"cveId":"CVE-2026-124308","cwes":["CWE-416"],"description":"Fraunhofer HHI VVdeC before 3.2.1 contains a heap use-after-free vulnerability in DecLibRecon::createSubPicRefBufs because decompressPicture clears m_subPicExtTasks without waiting for pending tasks. Attackers can supply a crafted multi-subpicture VVC bitstream to decoders using two or more threads, causing heap memory corruption or a decoder crash.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.8,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.8,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H","version":"3.1"}],"modifiedAt":1794061070983,"publishedAt":1794061070983,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/fraunhoferhhi/vvdec/issues/403"},{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/fraunhoferhhi/vvdec/issues/392"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/fraunhoferhhi/vvdec/commit/8a0def8ba6050412d33e69a6f1e66e287b039083"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/DecoderLib/DecLibRecon.cpp#L405-L420"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/DecoderLib/DecLibRecon.cpp#L538-L542"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/fraunhoferhhi/vvdec"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/fraunhofer-hhi-vvdec-before-3.2.1-use-after-free-via-declibrecon-createsubpicrefbufs"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/fraunhoferhhi/vvdec/commit/8a0def8ba6050412d33e69a6f1e66e287b039083"}],"revision":"c0de8f12bbe9cf922e83fa706da7e60023091d9a88673f619b3a3bd2ef4b6b33","sources":[{"modifiedAt":1794061070983,"name":"CNA: VulnCheck","retrievedAt":1794064135832,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124308"}],"ssvc":null,"status":"published","title":"Fraunhofer HHI VVdeC before 3.2.1 Use-After-Free via DecLibRecon::createSubPicRefBufs","updatedAt":1794064135832}