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Details of issue NIXPKGS-2026-0859

NIXPKGS-2026-0859
published on 31 Mar 2026
Permalink CVE-2026-33986
7.5 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): NETWORK
  • Attack complexity (AC): HIGH
  • Privileges required (PR): NONE
  • User interaction (UI): REQUIRED
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
updated 15 hours ago by @mweinelt Activity log
  • Created automatic suggestion 1 day ago
  • @mweinelt accepted 15 hours ago
  • @mweinelt published on GitHub 15 hours ago
FreeRDP: H.264 YUV Buffer Dimension Desync - Heap OOB Write

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in yuv_ensure_buffer() in libfreerdp/codec/h264.c, h264->width and h264->height are updated before the reallocation loop. If any winpr_aligned_recalloc() call fails, the function returns FALSE but width/height are already inflated. This issue has been patched in version 3.24.2.

References

Affected products

FreeRDP
  • ==< 3.24.2

Matching in nixpkgs

Package maintainers

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-h6qw-wxvm-hf97