EUVD-2026-21631Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from Vendor (zdi).
CVSS VectorVendor: zdi
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
GIMP ANI 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 ANI 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-28813.
AnalysisAI
Remote code execution in GIMP via integer overflow during ANI (animated cursor) file parsing allows unauthenticated attackers to execute arbitrary code with user privileges when malicious ANI files are opened. Exploitation requires user interaction (opening crafted file or visiting attacker-controlled page). Insufficient validation of user-supplied data triggers integer overflow before buffer allocation, enabling memory corruption. No public exploit identified at time of analysis. CVSS 7.8 (High) reflects local attack vector with no privilege requirements.
Technical ContextAI
Integer overflow (CWE-190) in GIMP ANI file parser occurs during buffer size calculation from untrusted file metadata. Overflow enables undersized heap buffer allocation, causing subsequent out-of-bounds write during file content processing. Affects cpe:2.3:a:gimp:gimp parsing logic for Windows animated cursor format.
RemediationAI
Upstream fix available via GitLab commit 09e5459de913172fc51da3bd6b6adc533acd368e (https://gitlab.gnome.org/GNOME/gimp/-/commit/09e5459de913172fc51da3bd6b6adc533acd368e); released patched version not independently confirmed at time of analysis. Users should monitor GIMP project announcements for stable release containing this commit and upgrade immediately upon availability. Until patched version deployed, avoid opening ANI files from untrusted sources. Organizations should implement application allowlisting to block execution of arbitrary file types in GIMP. Consult Zero Day Initiative advisory ZDI-26-218 for additional context: https://www.zerodayinitiative.com/advisories/ZDI-26-218/. SUSE and distribution-specific security trackers should be monitored for packaged updates.
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View allVendor StatusVendor
SUSE
Severity: High| Product | Status |
|---|---|
| openSUSE Leap 16.0 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP7 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP7 | Fixed |
| SUSE Linux Enterprise Server 15 SP7 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP7 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP7 | Fixed |
| openSUSE Leap 15.6 | Fixed |
| SUSE Linux Enterprise Server 15 SP4 | Fixed |
| SUSE Linux Enterprise Server 15 SP5 | Fixed |
| SUSE Linux Enterprise Server 15 SP6 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP4 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP5 | Fixed |
| SUSE Linux Enterprise Desktop 15 SP6 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP4 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | Fixed |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | Fixed |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP4 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP5 | Fixed |
| SUSE Linux Enterprise Workstation Extension 15 SP6 | Fixed |
| openSUSE Leap 15.4 | Fixed |
| openSUSE Leap 15.5 | Fixed |
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