CVE-2026-42146
Medium · 5.5CVSS
5.5
EPSS
0.2%
Published
May 4, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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