CVE-2022-2509: Debian Linux

High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days.

A vulnerability found in gnutls. This security flaw happens because of a double free error occurs during verification of pkcs7 signatures in gnutls_pkcs7_verify function.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 35 only
• GNU Gnutls: before 3.7.7 (fixed in 3.7.7)
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2022-08-01. Last modified 2026-06-17.