Out-of-bounds read in ImageMagick - CVE-2026-27798
Published: February 25, 2026
Vulnerability identifier: #VU123225
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-27798
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick
ImageMagick
Detailed vulnerability description
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in WaveletDenoise with small images. A local attacker can trigger an out-of-bounds read error and read contents of memory on the system.
How to mitigate CVE-2026-27798
Install updates from vendor's website.