CVE-2026-124311
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductFraunhoferhhi Vvdec
PublishedNov 7, 2026
First seenNov 7, 2026
Weakness typeCWE-476NULL pointer dereference
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fraunhoferhhi vvdec | v ≤ 3.2.1 | — |
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