Unrated severityNVD Advisory· Published Dec 20, 2022· Updated Nov 4, 2025
PJSIP vulnerable to heap buffer overflow when decoding STUN message
CVE-2022-23537
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).
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Affected products
2Patches
Vulnerability mechanics
References
3- github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1mitrex_refsource_MISC
- github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26wmitrex_refsource_CONFIRM
- lists.debian.org/debian-lts-announce/2023/08/msg00038.htmlmitre
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