ZDI-CAN-29401: 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
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-CAN-29401?
The severity of ZDI-CAN-29401 is rated as 7.8 on the CVSS scale.
2
How do I fix ZDI-CAN-29401?
To fix ZDI-CAN-29401, ensure you update to the latest version of GIMP that addresses this vulnerability.
3
What are the potential impacts of ZDI-CAN-29401?
ZDI-CAN-29401 allows remote attackers to execute arbitrary code on affected GIMP installations.
4
Is user interaction required to exploit ZDI-CAN-29401?
Yes, user interaction is required as the victim must open a malicious file or visit a malicious webpage.
5
What software is affected by ZDI-CAN-29401?
The software affected by ZDI-CAN-29401 is GIMP.