GIMP HDR File Parser heap-based overflow

Summaryinfo

A vulnerability classified as critical was found in GIMP. This issue affects some unknown processing of the component HDR File Parser. Such manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2026-2049. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GIMP (version unknown). Affected by this issue is an unknown function of the component HDR File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

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-28618.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2026-2049. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 307887 (SUSE SLED15 / SLES15 Security Update : gegl (SUSE-SU-2026:1481-1)), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (307887), EUVD (EUVD-2026-36156) and CERT Bund (WID-SEC-2026-0750). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• SUSE Linux
• Open Source GIMP

Productinfo

Type

• Image Processing Software

Name

• GIMP

License

• open-source

CPE 2.3info

• 🔒

CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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