CVE-2026-56369: ImageMagick - Information Disclosure via AES-CTR Nonce Reuse in PasskeyEncipherImage
Published Jun 30, 2026
·Updated
ImageMagick before 7.1.2-22 contains an information disclosure vulnerability in the PasskeyEncipherImage method due to AES-CTR nonce reuse. Attackers can exploit nonce reuse in the cipher implementation to recover plaintext information from encrypted images.
Affected Software
3 affected components
ImageMagick ImageMagick<7.1.2-22
ImageMagick ImageMagick<6.9.13-47
ImageMagick ImageMagick>=7.0.0-0<7.1.2-22
Event History
Jun 30, 2026
CVE Published
via MITRE·10:08 PM
Data Sourced
via MITRE·10:08 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-56369?
CVE-2026-56369 has a low severity rating of 3.7.
2
What is the risk associated with CVE-2026-56369?
CVE-2026-56369 has a risk rating of 20.
3
How do I fix CVE-2026-56369?
To fix CVE-2026-56369, update ImageMagick to version 7.1.2-22 or later.
4
What type of vulnerability is CVE-2026-56369?
CVE-2026-56369 is an information disclosure vulnerability.
5
What can attackers achieve by exploiting CVE-2026-56369?
Attackers can exploit CVE-2026-56369 to recover plaintext information from encrypted images due to nonce reuse.