Advisory Details

March 19th, 2026

GIMP JP2 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-26-219
ZDI-CAN-28863

CVE ID CVE-2026-4152
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 JP2 files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based 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/f64c9c23ba3c37dc7b875a9fb477c23953b4666e
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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