GIMP SGI File Parser integer overflow

Summaryinfo

A vulnerability has been found in GIMP and classified as critical. The impacted element is an unknown function of the component SGI File Parser. This manipulation causes integer overflow. This vulnerability is handled as CVE-2026-18306. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in GIMP (the affected version unknown). Affected by this vulnerability is an unknown part of the component SGI File Parser. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

GIMP SGI 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 SGI 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. Was ZDI-CAN-29396.

This vulnerability is known as CVE-2026-18306. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 342026 (RHEL 9 : gimp (RHSA-2026:61587)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (342026). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Image Processing Software

Name

• GIMP

License

• open-source

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If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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