Unrated severityNVD Advisory· Published Jan 27, 2022· Updated Nov 4, 2025
Out-of-bounds read in multipart parsing in PJSIP
CVE-2022-21723
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. In versions 2.11.1 and prior, parsing an incoming SIP message that contains a malformed multipart can potentially cause out-of-bound read access. This issue affects all PJSIP users that accept SIP multipart. The patch is available as commit in the master branch. There are no known workarounds.
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Affected products
2Patches
Vulnerability mechanics
References
9- security.gentoo.org/glsa/202210-37mitrevendor-advisory
- www.debian.org/security/2022/dsa-5285mitrevendor-advisory
- seclists.org/fulldisclosure/2022/Mar/2mitremailing-list
- lists.debian.org/debian-lts-announce/2022/03/msg00035.htmlmitremailing-list
- lists.debian.org/debian-lts-announce/2022/11/msg00021.htmlmitremailing-list
- lists.debian.org/debian-lts-announce/2023/08/msg00038.htmlmitremailing-list
- packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.htmlmitre
- github.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896mitre
- github.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pmmitre
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