CVE-2021-43300: Debian Linux

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

Stack overflow in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only; version 11.0 only
• Teluu Pjsip: up to and including 2.11.1

Published 2022-02-16. Last modified 2026-06-17.