Advisory Details

March 19th, 2026

GIMP XPM File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI-26-221
ZDI-CAN-28901

CVE ID CVE-2026-4154
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS GIMP
AFFECTED PRODUCTS GIMP
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of XPM files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS GIMP has issued an update to correct this vulnerability. More details can be found at:
https://gitlab.gnome.org/GNOME/gimp/-/commit/2e7ed91793792d9e980b2df4c829e9aa60459253
DISCLOSURE TIMELINE
  • 2026-03-05 - Vulnerability reported to vendor
  • 2026-03-19 - Coordinated public release of advisory
  • 2026-03-19 - Advisory Updated
CREDIT Anonymous
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