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

September 24th, 2025
ZDI-25-911 ZDI-CAN-27863

CVE ID

CVE-2025-10922

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 DCM 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/3d909166463731e94dfe62042d76225ecfc4c1e4

Disclosure Timeline

  • 2025-09-02 - Vulnerability reported to vendor
  • 2025-09-24 - Coordinated public release of advisory
  • 2025-09-24 - Advisory Updated

Credit

Anonymous

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