Vulnerability Description
GIMP HDR File Parsing Heap-based Buffer 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 the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27803.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gimp | Gimp | 3.0.4 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- https://gitlab.gnome.org/GNOME/gegl/-/commit/0e68b7471dabf2800d780819c19bd5e6462Patch
- https://www.zerodayinitiative.com/advisories/ZDI-25-910/Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00021.htmlMailing List
FAQ
What is CVE-2025-10921?
CVE-2025-10921 is a vulnerability with a CVSS score of 7.8 (HIGH). GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User inter...
How severe is CVE-2025-10921?
CVE-2025-10921 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-10921?
Check the references section above for vendor advisories and patch information. Affected products include: Gimp Gimp, Debian Debian Linux.