Heap-based Buffer Overflow in GIMP TIF File Parsing
CVE-2026-18307

7.8HIGH

Key Information:

Vendor

Gimp

Status
Vendor
CVE Published:
20 August 2026

What is CVE-2026-18307?

A vulnerability in GIMP's TIF file parsing allows remote attackers to execute arbitrary code by exploiting a heap-based buffer overflow. The flaw arises from insufficient validation of user-supplied data length before copying to a buffer, which can lead to exploitation when a user interacts with a malicious page or file. This vulnerability highlights the importance of secure coding practices and timely updates to prevent potential exploits.

Affected Version(s)

GIMP 3.2.2

References

CVSS V3.0

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.