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Details of issue NIXPKGS-2026-0649

NIXPKGS-2026-0649
published on
Permalink CVE-2026-3949
3.3 LOW
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): None (N)
  • Availability (A): Low (L)
  • Exploit Code Maturity (E): Proof-of-Concept (P)
  • Remediation Level (RL): Official Fix (O)
  • Report Confidence (RC): Confirmed (C)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): Low (L)
updated 1 month, 4 weeks ago by @LeSuisse Activity log
  • Created suggestion 2 months ago
  • @LeSuisse accepted 1 month, 4 weeks ago
  • @LeSuisse published on GitHub 1 month, 4 weeks ago
strukturag libheif HEIF File decoder_vvdec.cc vvdec_push_data2 out-of-bounds

A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.

Affected products

libheif
  • ==1.21.0
  • ==1.21.1
  • ==1.21.2

Matching in nixpkgs

pkgs.libheif

ISO/IEC 23008-12:2017 HEIF image file format decoder and encoder

Package maintainers

Upstream issue: https://github.com/strukturag/libheif/issues/1712
Upstream patch: https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03