Out-of-bounds read in ImageMagick - CVE-2026-45358

Vulnerability identifier: #VU131587

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-45358

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to an out-of-bounds read in the meta encoder when parsing input. A remote attacker can send specially crafted input to disclose sensitive information.

The issue is caused by an off-by-one error and results in a single-byte heap buffer over-read.

ImageMagick
Debian Linux
openEuler
ImageMagick-help
ImageMagick-perl
ImageMagick-devel
ImageMagick-debugsource
ImageMagick-debuginfo
ImageMagick-c++-devel
ImageMagick-c++
ImageMagick
imagemagick (Debian package)

Install security update from vendor's website.

ImageMagick - addressed in versions 6.9.13-47, 7.1.2-22
ImageMagick-help - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-perl - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-devel - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-debugsource - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-debuginfo - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-c++-devel - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick-c++ - addressed in versions 6.9.13.48-1, 7.1.2.23-1
ImageMagick - addressed in versions 6.9.13.48-1, 7.1.2.23-1
imagemagick (Debian package) - update to 8:7.1.1.43+dfsg1-1+deb13u9

• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-cr6r-hmj8-pr7r

• Multiple vulnerabilities in ImageMagick
• openEuler 24.03 LTS update for ImageMagick
• openEuler 22.03 LTS SP4 update for ImageMagick
• openEuler 20.03 LTS SP4 update for ImageMagick
• openEuler 24.03 LTS SP3 update for ImageMagick
• Debian update for imagemagick
• openEuler 24.03 LTS SP1 update for ImageMagick