Advisory 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 PNM 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.

• 2025-11-11 - Vulnerability reported to vendor
• 2025-12-17 - Coordinated public release of advisory
• 2025-12-17 - Advisory Updated