Reusing a Nonce, Key Pair in Encryption in ImageMagick - #VU166050
Published: November 12, 2026
Vulnerability identifier: #VU166050
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-323
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose image data.
The vulnerability exists due to reuse of cryptographic nonces or key pairs in the ImageMagick distributed pixel cache server when protecting image data. A local user can monitor local unencrypted traffic to decrypt image data.
Affected software
ImageMagick
Remediation
Install security update from vendor's website.
ImageMagick - addressed in versions 6.9.13-60, 7.1.2-35