Advisory Details

March 19th, 2026

GIMP ANI File Parsing Integer Overflow Remote Code Execution Vulnerability

ZDI-26-218
ZDI-CAN-28813

CVE ID CVE-2026-4151
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 ANI 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/09e5459de913172fc51da3bd6b6adc533acd368e
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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