What is CVE-2026-46520?

CVE-2026-46520 is a high-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-06-10.

How severe is CVE-2026-46520?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Imagemagick

CVE-2026-46520

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when reading multiple images with different dimensions an out of bounds heap write can occur. This iss…

Vulnerability class: Buffer Overflow

EPSS: 0.004 (36.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Imagemagick — versions < 7.1.2-23, < 6.9.13-48

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
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Frequently asked questions

What is CVE-2026-46520?: CVE-2026-46520 is a high-severity vulnerability in Imagemagick, classified under Heap-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-06-10.
How severe is CVE-2026-46520?: High severity. CVSS v3 base score is 7.5 out of 10.