Buffer overflow in Imagemagick
CVE-2026-30929
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, MagnifyImage uses a fixed-size stack buffer. When using a specific image it is possible to overflow this buffer and corrupt the stack. This vulnerability is fixed in 7.1.2-16 and 6.9.13-41.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Imagemagick — versions >= 7.0.0, < 7.1.2-16, < 6.9.13-41
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-30929?
- CVE-2026-30929 is a high-severity vulnerability in Imagemagick, classified under Stack-based Buffer Overflow. CVSS score: 7.7/10. Published 2026-03-10.
- How severe is CVE-2026-30929?
- High severity. CVSS v3 base score is 7.7 out of 10.