ZDI-CAN-29396: ZDI-26-459: GIMP SGI File Parsing Integer Overflow Remote Code Execution Vulnerability

Published Jul 29, 2026

Updated

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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18306.

Affected Software

1 affected component

GIMP GIMP=unknown

Event History

Jul 29, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-29396?

The severity of ZDI-CAN-29396 is rated at 7.8 on the CVSS scale.

How do I fix ZDI-CAN-29396?

To fix ZDI-CAN-29396, update GIMP to the latest version that includes the security patch.

What does ZDI-CAN-29396 exploit?

ZDI-CAN-29396 exploits an integer overflow in SGI file parsing in GIMP, allowing for remote code execution.

Is user interaction required to exploit ZDI-CAN-29396?

Yes, user interaction is required to exploit ZDI-CAN-29396 as the target must either visit a malicious page or open a malicious file.

Which software is affected by ZDI-CAN-29396?

ZDI-CAN-29396 affects GIMP installations that do not have the security update applied.