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Description

ImageMagick before 7.1.2-26 contains a use-after-free vulnerability in the FormatMagickCaption method when memory allocation fails. Attackers can trigger memory allocation failures to cause a dangling pointer to reference freed memory, potentially enabling denial of service or code execution.

PUBLISHED Reserved 2026-07-10 | Published 2026-07-11 | Updated 2026-07-11 | Assigner VulnCheck




MEDIUM: 6.3CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem types

Use After Free

Product status

Default status
unaffected

Any version before 7.1.2-26
affected

7.1.2-26 (semver)
unaffected

Default status
unaffected

Any version before 6.9.13-51
affected

6.9.13-51 (semver)
unaffected

Credits

RigelYoung reporter

References

github.com/...Magick/security/advisories/GHSA-qvxh-prvr-85w2 (GitHub Security Advisory (GHSA-qvxh-prvr-85w2)) vendor-advisory

www.vulncheck.com/...6-use-after-free-in-formatmagickcaption (VulnCheck Advisory: ImageMagick before 7.1.2-26 Use-After-Free in FormatMagickCaption) third-party-advisory

cve.org (CVE-2026-61861)

nvd.nist.gov (CVE-2026-61861)

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