Buffer overflow in Gimp
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000
Affected products
- Gimp — versions 3.0.6
Weakness classification (CWE)
References
- www.zerodayinitiative.com/advisories/ZDI-25-1137/ (x_research-advisory, Third Party Advisory)
- gitlab.gnome.org/GNOME/gimp/-/commit/481cdbbb97746be1145ec3a633c567a68633c521 (vendor-advisory, Patch)
Frequently asked questions
- What is CVE-2025-14423?
- CVE-2025-14423 is a high-severity vulnerability in Gimp, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-12-23.
- How severe is CVE-2025-14423?
- High severity. CVSS v3 base score is 7.8 out of 10.