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.
Metrics
CVSS 3.1 5.8/10
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:HWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
No affected versions have been published.
Timeline
- Published
- Nov 7, 2026
- Last modified
- Nov 12, 2026
- NVD status
- Awaiting Analysis