Buffer overflow in Imagemagick
CVE-2025-62594
ImageMagick is a software suite to create, edit, compose, or convert bitmap images. ImageMagick versions prior to 7.1.2-8 are vulnerable to denial-of-service due to unsigned integer underflow and division-by-zero in the CLAHEImage function. When tile width or height is zero, unsigned underflow occurs in pointer arithmetic, leading to out-of-bounds memory access, and division-by-zero causes immediate crashes. This issue has been patched in version 7.1.2-8.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (26.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Imagemagick — versions < 7.1.2-8
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-62594?
- CVE-2025-62594 is a medium-severity vulnerability in Imagemagick, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.7/10. Published 2025-10-27.
- How severe is CVE-2025-62594?
- Medium severity. CVSS v3 base score is 4.7 out of 10.