CVE-2025-14423: gimp Stack Overflow — Fix

Description

GIMP LBM File Parsing Stack-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 LBM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28311.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
gimp	gimp	All

References

Advisories & Patches

https://gitlab.gnome.org/GNOME/gimp/-/commit/481cdbbb97746be1145ec3a633c567a68633c521

Other References

https://www.zerodayinitiative.com/advisories/ZDI-25-1137/

Frequently Asked Questions

What is CVE-2025-14423? +

GIMP LBM File Parsing Stack-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 LBM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28311. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-14423? +

CVE-2025-14423 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-14423? +

CVE-2025-14423 affects products from gimp, specifically: gimp. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-14423? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-14423