November 14, 2026

CVE Watchtower

CVE-2026-124312fraunhoferhhi vvdec Out-of-bounds Read

NVD

Vulnerability Summary

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.
Severity Level
MEDIUM(5.7)
Published Date
Nov 7, 2026
Last Modified
Nov 11, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.12%Probability
Root Weakness (CWE)
CWE-125: Out-of-bounds Read ↗
The software reads data past the end, or before the beginning, of the intended buffer.
CVSS v4.0 Base Metrics — Score 5.7 (MEDIUM)
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
Attack VectorLocal
Attack ComplexityLow
Attack RequirementsPresent
Privileges RequiredNone
User InteractionPassive
Confidentiality (Vulnerable System)None
Integrity (Vulnerable System)None
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 4.7)
CVSS v3.1 Base Metrics — Score 4.7 (MEDIUM)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • fraunhoferhhi vvdec <= 3.2.1
Patched Versions
  • fraunhoferhhi vvdec 3.2.1

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run fraunhoferhhi vvdec and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 7, 2026Published
  • Nov 11, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 14, 2026 03:32 UTC