GIMP XPM File Parsing Integer Overflow Remote Code Execution Vulnerability

Successful exploitation of CVE-2026-4154 could grant an attacker complete control over a vulnerable system. By crafting a malicious XPM file, an attacker could execute arbitrary commands with the privileges of the GIMP process. This could lead to data theft, system compromise, and potentially, lateral movement within a network if the GIMP process has elevated privileges. The requirement for user interaction means that social engineering tactics, such as tricking a user into opening a malicious file, are likely attack vectors. Given GIMP's widespread use, the potential blast radius is significant.

Users of GIMP version 3.0.8–3.0.8, particularly those who frequently handle images from untrusted sources or are part of environments where users may be susceptible to social engineering attacks, are at increased risk. Shared hosting environments where multiple users share the same GIMP installation are also vulnerable.

• linux / server:

journalctl -u gimp | grep -i error

• linux / server:

lsof | grep gimp

• linux / server:

ps aux | grep gimp

1. 2026-04-11Disclosure

   disclosure

1. 已保留2026-03-13
2. 发布日期2026-04-11
3. 修改日期2026-04-14
4. EPSS 更新日期2026-04-18

The primary mitigation for CVE-2026-4154 is to upgrade to a patched version of GIMP. Consult the GIMP project's website for the latest stable release. If immediate patching is not feasible, consider restricting user access to untrusted XPM files. While a WAF or proxy is unlikely to directly mitigate this vulnerability, implementing strict file type validation policies can help prevent malicious XPM files from reaching vulnerable systems. There are no specific Sigma or YARA rules readily available for this vulnerability at this time, but monitoring for unusual process execution related to GIMP is recommended.