CVE-2026-4887

A flaw was found in GIMP. This issue is a heap buffer over-read in GIMP PCX file loader due to an off-by-one error. A remote attacker could exploit this by convincing a user to open a specially crafted PCX image. Successful exploitation could lead to out-of-bounds memory disclosure and a possible application crash, resulting in a Denial of Service (DoS).

Moderate: This flaw in GIMP's PCX file loader is due to a heap buffer over-read. Exploitation requires user interaction, specifically opening a specially crafted PCX image file. Red Hat Enterprise Linux systems are affected if GIMP is installed and used to open untrusted PCX files.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Users should avoid opening untrusted PCX image files with GIMP. If GIMP is not required, consider removing the gimp package to eliminate this attack vector.