Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2025-43967
CVE-2025-43967:
NixOS vulnerability analysis and mitigation
Overview
CVE-2025-43967 affects libheif versions before 1.19.6. The vulnerability is a NULL pointer dereference in the ImageItemGrid::getdecoder function located in image-items/grid.cc. The issue occurs because a grid image can reference a nonexistent image item (NVD).
Technical details
The vulnerability is classified as a NULL pointer dereference (CWE-476) with a CVSS v3.1 Base Score of 2.9 (LOW). The attack vector is local (AV:L) with high attack complexity (AC:H), requires no privileges (PR:N), and no user interaction (UI:N). The scope is unchanged (S:U) with no impact on confidentiality (C:N) or integrity (I:N), but low impact on availability (A:L) (NVD).
Impact
The vulnerability affects system availability due to the NULL pointer dereference, which can cause the application to crash. The issue was discovered during OSS-fuzz testing of GraphicsMagick, indicating potential impacts on systems using libheif for image processing (GitHub Issue).
Mitigation and workarounds
The vulnerability has been fixed in libheif version 1.19.6. Users should upgrade to this version or later to mitigate the issue (NVD).
Additional resources
Source: This report was generated using AI
Related NixOS vulnerabilities:
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