CVE-2026-61861

ImageMagick before 7.1.2-26 Use-After-Free in FormatMagickCaption

State: Published
Severity: 6.3 Medium
Published: Jul 11, 2026
Updated: Oct 29, 2026
Reserved: Jul 10, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L	VulnCheck

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
ImageMagickImageMagick	7.0.0 to before 7.1.2-26Affected 7.1.2-26Not affected
ImageMagickImageMagick	before 6.9.13-51Affected 6.9.13-51Not affected

References

GitHub Security Advisory (GHSA-qvxh-prvr-85w2)vendor-advisory
VulnCheck Advisory: ImageMagick before 7.1.2-26 Use-After-Free in FormatMagickCaptionthird-party-advisory

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