CVE-2026-18300: GIMP HDR File Parsing Integer Overflow Remote Code Execution Vulnerability
GIMP HDR File Parsing Integer Overflow Remote Code Execution Vulnerability. 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 specific flaw exists within the parsing of HDR files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29289.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
Does an attacker need an account or other privileges on the target system?
No prior privileges are required. Exploitation does require the target to visit a malicious page or open a malicious HDR file.
What privileges would successful code execution have?
Code runs in the context of the current GIMP process. The reported impact includes compromise of confidentiality, integrity, and availability.