GIMP WBMP File Parser integer overflow

Summaryinfo

A vulnerability marked as critical has been reported in GIMP. The impacted element is an unknown function of the component WBMP File Parser. The manipulation leads to integer overflow. This vulnerability is referenced as CVE-2025-10923. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in GIMP (the affected version is unknown) and classified as critical. This issue affects an unknown code of the component WBMP File Parser. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

GIMP WBMP 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 WBMP 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-27878.

The advisory is shared at zerodayinitiative.com. The identification of this vulnerability is CVE-2025-10923. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/23/2025).

The vulnerability scanner Nessus provides a plugin with the ID 266027 (Debian dsa-6014 : gimp - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (266027) and CERT Bund (WID-SEC-2025-2129). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• RESF Rocky Linux
• Open Source GIMP

Productinfo

Type

• Image Processing Software

Name

• GIMP

License

• open-source

CPE 2.3info

• 🔒

CPE 2.2info

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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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