CVE-2022-23537

PJSIP vulnerable to heap buffer overflow when decoding STUN message

Published Dec 20, 2022 CVSS 3.1 · 6.5 Medium EPSS 1.1% KEV · Not listed
Description
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3335-1 asterisk security update
Debian DLA Debian DLA DLA-3549-1 ring security update
Debian DLA Debian DLA DLA-3887-1 ring security update
Debian DSA Debian DSA DSA-5358-1 asterisk security update
EUVD EUVD EUVD-2022-28560 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).
Ubuntu USN Ubuntu USN USN-6422-1 Ring vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 4, 2025, 4:09 PM
Reserved
Jan 19, 2022, 9:23 PM
Status
Modified
Published
Dec 20, 2022, 7:15 PM
Modified
Jun 17, 2026, 4:30 AM