CVE-2026-42144
Medium · 6.1CVSS
6.1
EPSS
0.2%
Published
May 4, 2026
CISA due date
—
The record
CImg Library is a C++ library for image processing. Prior to commit 4ca26bc, there is an integer overflow vulnerability in the W*H*D size computation inside _load_pnm() that can bypass the memory allocation guard. A crafted PNM/PGM/PPM file with large dimension values causes the overflow to wrap around, allocating an undersized buffer and potentially triggering a heap buffer overflow. Any application using CImg to load untrusted image files is affected. This issue has been patched via commit 4ca26bc.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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