CVE-2021-20313: Debian Linux

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

A flaw was found in ImageMagick in versions before 7.0.11. A potential cipher leak when the calculate signatures in TransformSignature is possible. The highest threat from this vulnerability is to data confidentiality.

Affected products

• Debian Debian Linux: version 9.0 only
• ImageMagick ImageMagick: before 7.0.11-0 (fixed in 7.0.11-0)

Published 2021-05-11. Last modified 2026-06-17.