Buffer overflow in Imagemagick
CVE-2025-55004
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-1, ImageMagick is vulnerable to heap-buffer overflow read around the handling of images with separate alpha channels when performing image magnification in ReadOneMNGIMage. This can likely be used to leak subsequent memory contents into the output image. This issue has been patched in version 7.1.2-1.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (43.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Imagemagick — versions < 7.1.2-1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-cjc8-g9w8-chfw (Exploit, Third Party Advisory)
- goo.gle/bigsleep (Issue Tracking)
Frequently asked questions
- What is CVE-2025-55004?
- CVE-2025-55004 is a high-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 7.6/10. Published 2025-08-13.
- How severe is CVE-2025-55004?
- High severity. CVSS v3 base score is 7.6 out of 10.
- Is CVE-2025-55004 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.