CVE-2021-4213: Debian Linux

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Dogtagpki Network Security Services For Java: before 4.9.3 (fixed in 4.9.3); from 5.0.0, before 5.1.0 (fixed in 5.1.0)
• Red Hat Enterprise Linux: version 8.0 only

Published 2022-08-24. Last modified 2026-06-17.