Buffer overflow in Imagemagick
CVE-2026-30936
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, a crafted image could cause an out of bounds heap write inside the WaveletDenoiseImage method. When processing a crafted image with the -wavelet-denoise operation an out of bounds write can occur. 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 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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-2026-30936?
- CVE-2026-30936 is a medium-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 5.5/10. Published 2026-03-10.
- How severe is CVE-2026-30936?
- Medium severity. CVSS v3 base score is 5.5 out of 10.