CVE-2026-56372 | THREATINT

Description

ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify operation that allows attackers to read out of bounds memory. An unrecognized magnify:method value triggers an out of bounds read, potentially exposing sensitive information or causing denial of service.

PUBLISHED Reserved 2026-06-21 | Published 2026-07-11 | Updated 2026-07-13 | Assigner VulnCheck

MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Problem types

Heap-based Buffer Overflow

Product status

Default status

unaffected

Any version before 7.1.2-19

affected

7.1.2-19 (semver)

unaffected

Credits

e1abrador reporter

References

github.com/...Magick/security/advisories/GHSA-8vfj-q2cp-5m5j (GitHub Security Advisory (GHSA-8vfj-q2cp-5m5j)) vendor-advisory

www.vulncheck.com/...ow-read-via-unrecognized-magnify-method (VulnCheck Advisory: ImageMagick - Heap Buffer Overflow Read via Unrecognized Magnify Method) third-party-advisory

cve.org (CVE-2026-56372)

nvd.nist.gov (CVE-2026-56372)

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