ZDI-CAN-29398: ZDI-26-455: GIMP TIF File Parsing Heap-based Buffer 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-2026-18302.

Affected Software

1 affected component

GIMP GIMP

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-29398?

The severity of ZDI-CAN-29398 is rated at 7.8 on the CVSS scale.

How do I fix ZDI-CAN-29398?

To fix ZDI-CAN-29398, update GIMP to the latest version that addresses this vulnerability.

What is the risk of ZDI-CAN-29398?

ZDI-CAN-29398 poses a risk of remote code execution if a user interacts with a malicious TIF file.

Who is affected by ZDI-CAN-29398?

Users of GIMP are affected by ZDI-CAN-29398 if they open compromised TIF files.

What is required to exploit ZDI-CAN-29398?

User interaction is required to exploit ZDI-CAN-29398, necessitating visiting a malicious page or opening a harmful file.