CVE-2026-124312: medium-severity vulnerability in fraunhoferhhi vvdec
Fraunhofer HHI VVdeC through 3.2.1 Heap Out-of-Bounds Read via CodingStructure::getColInfo
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.7epss 0.1%
Fraunhofer HHI VVdeC through 3.2.1 contains a heap out-of-bounds read vulnerability that allows attackers to crash the decoder by supplying a collocated picture of different resolution. Attackers can craft a VVC bitstream enabling TMVP with a smaller collocated reference picture, causing getColInfo to read past the colMotion allocation when error concealment is enabled.
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
fraunhoferhhi · vvdecRelated CVEs — fraunhoferhhi vvdec
In the same product, most dangerous first.
CVE-2026-124311MEDIUMFraunhofer HHI VVdeC through 3.2.1 NULL Pointer Dereference via InterPrediction::xPredInterBlkEPSS 0.1%CVE-2026-124310MEDIUMFraunhofer HHI VVdeC before 3.2.1 Out-of-Bounds Read via Slice::getRefPicEPSS 0.1%CVE-2026-124309MEDIUMFraunhofer HHI VVdeC before 3.2.1 Heap Out-of-Bounds Read via SEIReader::xParseSEIScalableNestingEPSS 0.1%CVE-2026-124308MEDIUMFraunhofer HHI VVdeC before 3.2.1 Use-After-Free via DecLibRecon::createSubPicRefBufsEPSS 0.1%CVE-2026-124307MEDIUMFraunhofer HHI VVdeC before 3.2.1 Heap Use-After-Free via ALF APS RedefinitionEPSS 0.1%
References
https://github.com/fraunhoferhhi/vvdechttps://github.com/fraunhoferhhi/vvdec/blob/v3.2.1/source/Lib/CommonLib/CodingStructure.cpp#L453-L458https://github.com/fraunhoferhhi/vvdec/blob/v3.2.1/source/Lib/CommonLib/Slice.cpp#L1819-L1859https://github.com/fraunhoferhhi/vvdec/commit/0695c06221c27b3680fec9851ac2cf46b2195ea9https://github.com/fraunhoferhhi/vvdec/issues/422https://www.vulncheck.com/advisories/fraunhofer-hhi-vvdec-through-3.2.1-heap-out-of-bounds-read-via-codingstructure-getcolinfo