ZDI-25-321: GIMP ICO 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 ICO files. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process.
Other sources
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-2025-5473.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-321?
ZDI-25-321 is categorized as a critical vulnerability due to its potential for remote code execution.
How do I fix ZDI-25-321?
To fix ZDI-25-321, update GIMP to the latest version that contains the necessary security patches.
What versions of GIMP are affected by ZDI-25-321?
GIMP versions prior to the latest release are affected by ZDI-25-321.
Does ZDI-25-321 require user interaction to be exploited?
Yes, ZDI-25-321 requires user interaction, such as visiting a malicious page or opening a harmful file.
What type of attack is ZDI-25-321 related to?
ZDI-25-321 is related to remote code execution attacks that can occur when parsing specific file formats.