ZDI-26-460: GIMP TIF 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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18307.
AI Analysis
Technical Summary
CVE-2026-18307 is a heap-based buffer overflow vulnerability in GIMP's TIF file parser caused by improper validation of the length of user-supplied data before copying it to a heap buffer. This flaw allows remote attackers to execute arbitrary code within the context of the current process if a user opens a crafted malicious TIF file. The vulnerability requires user interaction and has a CVSS score of 7.8. GIMP has released an official update to fix this issue.
Potential Impact
Successful exploitation enables remote code execution with the privileges of the user running GIMP. This can lead to full compromise of the affected system or user environment. The vulnerability requires user interaction, such as opening a malicious TIF file.
Mitigation Recommendations
An official fix has been released by GIMP to address this vulnerability. Users and administrators should apply the update provided by GIMP to remediate this issue. No additional mitigation is required if the update is applied.
ZDI-26-460: GIMP TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Description
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-2026-18307.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-18307 is a heap-based buffer overflow vulnerability in GIMP's TIF file parser caused by improper validation of the length of user-supplied data before copying it to a heap buffer. This flaw allows remote attackers to execute arbitrary code within the context of the current process if a user opens a crafted malicious TIF file. The vulnerability requires user interaction and has a CVSS score of 7.8. GIMP has released an official update to fix this issue.
Potential Impact
Successful exploitation enables remote code execution with the privileges of the user running GIMP. This can lead to full compromise of the affected system or user environment. The vulnerability requires user interaction, such as opening a malicious TIF file.
Mitigation Recommendations
An official fix has been released by GIMP to address this vulnerability. Users and administrators should apply the update provided by GIMP to remediate this issue. No additional mitigation is required if the update is applied.
Technical Details
- Article Source
- {"url":"http://www.zerodayinitiative.com/advisories/ZDI-26-460/","fetched":true,"fetchedAt":"2026-07-30T15:56:44.519Z","wordCount":207}
- Exploit Sophistication
- 6
- Weaponization Potential
- 5
- Stealth Capability
- 6
- Ai Analysis Type
- exploit-specialized
Threat ID: 6a6b74c89c2644c7f84cc4bd
Added to database: 07/30/2026, 15:59:04 UTC
Last enriched: 07/30/2026, 16:10:44 UTC
Last updated: 07/31/2026, 14:31:04 UTC
Views: 12
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