ZDI-26-453: GIMP HDR 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-2026-18300.
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-26-453?
ZDI-26-453 has a CVSS rating of 7.8, indicating a high severity level.
2
How do I fix ZDI-26-453?
To mitigate ZDI-26-453, update GIMP to the latest version available from the official source.
3
What type of vulnerability is ZDI-26-453?
ZDI-26-453 is an integer overflow vulnerability that can lead to remote code execution.
4
What software is affected by ZDI-26-453?
GIMP is the software affected by the ZDI-26-453 vulnerability.
5
What is required for an attacker to exploit ZDI-26-453?
User interaction is required, as the target must either visit a malicious page or open a malicious file.