CVE-2022-23537: Debian Linux
Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1).
Affected products
Published 2022-12-20. Last modified 2026-06-17.