CVE-2026-56376

LOW

ImageMagick - Heap Use-After-Free in Meta Coder

Title source: cna
STIX 2.1

Description

ImageMagick before 7.1.2-15 and 6.9.13-40 contains a heap use-after-free in the meta coder: when memory allocation fails, a single byte is written to a stale pointer. Remote attackers can trigger it by processing specially crafted image files, causing a denial of service.

References (2)

Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-2gq3-ww97-wfjm)
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-2gq3-ww97-wfjm
Third Party Advisory third-party-advisory
VulnCheck Advisory: ImageMagick - Heap Use-After-Free in Meta Coder
https://www.vulncheck.com/advisories/imagemagick-heap-use-after-free-in-meta-coder

Scores

CVSS v3 3.7
EPSS 0.0018
EPSS Percentile 8.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (5)
ImageMagick/ImageMagick < 6.9.13-40
imagemagick/imagemagick < 6.9.13-40
ImageMagick/ImageMagick < 7.1.2-15
ImageMagick/ImageMagick 6.9.13-40
ImageMagick/ImageMagick 7.1.2-15
Published Jun 23, 2026
Tracked Since Jun 23, 2026