CVE-2022-21723

9.1 CRITICAL
Published: January 27, 2022 Modified: November 04, 2025

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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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html
Source: security-advisories@github.com
Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2022/Mar/2
Source: security-advisories@github.com
Mailing List Patch Third Party Advisory
https://github.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896
Source: security-advisories@github.com
Patch Third Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pm
Source: security-advisories@github.com
Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html
Source: security-advisories@github.com
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
Source: security-advisories@github.com
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202210-37
Source: security-advisories@github.com
Third Party Advisory
https://www.debian.org/security/2022/dsa-5285
Source: security-advisories@github.com
Third Party Advisory
http://packetstormsecurity.com/files/166227/Asterisk-Project-Security-Advisory-AST-2022-006.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2022/Mar/2
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Patch Third Party Advisory
https://github.com/pjsip/pjproject/commit/077b465c33f0aec05a49cd2ca456f9a1b112e896
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-7fw8-54cv-r7pm
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202210-37
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2022/dsa-5285
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

19 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
0.7%
72th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

sangoma asterisk debian teluu