Unrated severityNVD Advisory· Published Dec 23, 2022· Updated Nov 4, 2025
Heap buffer overflow in pjproject when decoding STUN message
CVE-2022-23547
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. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.
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Affected products
2Patches
Vulnerability mechanics
References
4- github.com/pjsip/pjproject/commit/bc4812d31a67d5e2f973fbfaf950d6118226cf36mitrex_refsource_MISC
- github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26wmitrex_refsource_MISC
- github.com/pjsip/pjproject/security/advisories/GHSA-cxwq-5g9x-x7frmitrex_refsource_CONFIRM
- lists.debian.org/debian-lts-announce/2023/08/msg00038.htmlmitre
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