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Vulnerabilities

CVE-2026-42144 | BDVDB-2026-330360 Detail

GreycLabCImg

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact high. Attack vector: local.

Weaknesses#

  • CWE-190 Integer Overflow or Wraparound

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.