CVE-2026-124311 Fraunhofer HHI VVdeC through 3.2.1 NULL Pointer Dereference via InterPrediction::xPredInterBlk
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-124311?
CVE-2026-124311 is a medium-severity vulnerability in fraunhoferhhi vvdec, published on 7 Nov 2026.
Official description
Fraunhofer HHI VVdeC through 3.2.1 contains a NULL pointer dereference vulnerability in InterPrediction::xPredInterBlk that allows attackers to crash the decoder by switching SPS to enable reference wrap-around. Attackers can supply a crafted VVC bitstream activating a new SPS with sps_ref_wraparound_enabled_flag set, causing reads from missing PIC_RECON_WRAP buffers and denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2026-124311?
How do I fix CVE-2026-124311?
No fix has been published for CVE-2026-124311 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-124311 being exploited?
There is no known exploitation of CVE-2026-124311 in the wild and no public exploit code.
Sources
Also known as GHSA-8xcr-xgj2-cmf5.