ZDI-26-462: GIMP APNG 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-2026-18309.

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

1

What is the severity of ZDI-26-462?

The severity of ZDI-26-462 is rated as 7.8 on the CVSS scale.

2

How do I fix ZDI-26-462?

To fix ZDI-26-462, users should update GIMP to the latest version released by the developers.

3

Who is affected by ZDI-26-462?

Users of GIMP who open malicious APNG files or visit malicious webpages are affected by ZDI-26-462.

4

What type of vulnerability is ZDI-26-462?

ZDI-26-462 is an integer overflow vulnerability that allows remote code execution.

5

What is the exploit requirement for ZDI-26-462?

Exploitation of ZDI-26-462 requires user interaction, such as opening a malicious file or visiting a malicious page.

Contact

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