GIMP PNM File Parsing Integer Overflow Remote Code Execution Vulnerability
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 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.
Additional Details
GIMP has issued an update to correct this vulnerability. More details can be found at:
https://gitlab.gnome.org/GNOME/gimp/-/commit/4ff2d773d58064e6130495de498e440f4a6d5edb
Disclosure Timeline
- 2025-11-11 - Vulnerability reported to vendor
- 2025-12-17 - Coordinated public release of advisory
- 2025-12-17 - Advisory Updated
Credit
Anonymous
