Use-after-free in ImageMagick - #VU158777
Published: November 3, 2026
Vulnerability identifier: #VU158777
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to use-after-free in the ImageMagick EXR decoder when a specific memory allocation fails during image decoding. A remote attacker can submit an EXR image for decoding to trigger access to freed memory under this failure condition and cause a denial of service.
Affected software
ImageMagick
Remediation
Install security update from vendor's website.
ImageMagick - addressed in versions 6.9.13-60, 7.1.2-35