Nixpkgs security tracker
NIXPKGS-2026-1384
GitHub issue
published 1 month, 3 weeks ago
Permalink
CVE-2026-42146
5.5 MEDIUM
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): Required (R)
- Scope (S): Unchanged (U)
- Confidentiality (C): None (N)
- Integrity (I): None (N)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): Low (L)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): Required (R)
- Modified Confidentiality (MC): None (N)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): None (N)
- Modified Availability (MA): High (H)
by @LeSuisse Activity log
- Created suggestion
- @LeSuisse ignored reference https://g…
- @LeSuisse accepted
- @LeSuisse published on GitHub
CImg Library: Uncontrolled memory allocation via nb_colors field in _load_bmp
CImg Library is a C++ library for image processing. Prior to commit c3aacf5, the nb_colors field read from the BMP file header is used directly to compute an allocation size without validating it against the remaining file size. A crafted BMP file with a large nb_colors value triggers an out-of-memory condition, crashing any application that uses CImg to load untrusted BMP files. This issue has been patched via commit c3aacf5.
References
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https://github.com/GreycLab/CImg/security/advisories/GHSA-g54r-qmgx-c6fv x_refsource_CONFIRM
-
https://github.com/GreycLab/CImg/issues/477 x_refsource_MISC
Ignored references (1)
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https://github.com/GreycLab/CImg/releases/tag/v.3.7.5 x_refsource_MISC
Affected products
CImg
- ==< c3aacf5b96ac1e54b7af1957c6737dbf3949f6d3