CVE-2026-124308

5.8 MEDIUMpublic exploit available

Published 2026-11-07 · Updated 2026-11-10

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H

Weaknesses

CWE-416

Public exploit & PoC references

https://github.com/fraunhoferhhi/vvdec
https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/DecoderLib/DecLibRecon.cpp#L405-L420
https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/DecoderLib/DecLibRecon.cpp#L538-L542
https://github.com/fraunhoferhhi/vvdec/commit/8a0def8ba6050412d33e69a6f1e66e287b039083
https://github.com/fraunhoferhhi/vvdec/issues/392
https://github.com/fraunhoferhhi/vvdec/issues/403
https://github.com/fraunhoferhhi/vvdec/issues/392

All references

https://github.com/fraunhoferhhi/vvdec
https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/DecoderLib/DecLibRecon.cpp#L405-L420
https://github.com/fraunhoferhhi/vvdec/blob/v3.2.0/source/Lib/DecoderLib/DecLibRecon.cpp#L538-L542
https://github.com/fraunhoferhhi/vvdec/commit/8a0def8ba6050412d33e69a6f1e66e287b039083
https://github.com/fraunhoferhhi/vvdec/issues/392
https://github.com/fraunhoferhhi/vvdec/issues/403
https://www.vulncheck.com/advisories/fraunhofer-hhi-vvdec-before-3.2.1-use-after-free-via-declibrecon-createsubpicrefbufs
http://www.openwall.com/lists/oss-security/2026/11/10/15
https://github.com/fraunhoferhhi/vvdec/issues/392

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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