Vulnerability in Imagemagick
CVE-2026-102635
ImageMagick versions before 7.1.2-32 and 6.9.13-57 contain uninitialized heap memory disclosure in the GIF decoder's application extension handler in coders/gif.c. Attackers can craft malicious GIF files that cause the number parser to read uninitialized heap memory and store contents as image metadata, disclosing sensitive heap information.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-rvv7-5mh8-vcfc (vendor-advisory)
- github.com/ImageMagick/ImageMagick/commit/a0ca2c739c0216ff4efbd631d1ba7fd54dba1… (patch)
- github.com/ImageMagick/ImageMagick6/commit/95dc0fd21a684bfac2bdb6fb6638c0ab271a… (patch)
- github.com/ImageMagick/ImageMagick/blob/7.1.2-31/coders/gif.c (technical-description)
- github.com/ImageMagick/ImageMagick (product)
- www.vulncheck.com/advisories/imagemagick-before-7.1.2-32-and-6.9.13-57-uninitia… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-102635?
- CVE-2026-102635 is a low-severity vulnerability in Imagemagick, classified under Use of Uninitialized Resource. CVSS score: 3.7/10. Published 2026-09-29.
- How severe is CVE-2026-102635?
- Low severity. CVSS v3 base score is 3.7 out of 10.