CVE-2022-21722

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 version 2.11.1 and prior, there are various cases where it is possible that certain incoming RTP/RTCP packets can potentially cause out-of-bound read access. This issue affects all users that use PJMEDIA and accept incoming RTP/RTCP. A patch is available as a 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
https://github.com/pjsip/pjproject/commit/22af44e68a0c7d190ac1e25075e1382f77e9397a
Source: security-advisories@github.com
Patch Third Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-m66q-q64c-hv36
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
https://github.com/pjsip/pjproject/commit/22af44e68a0c7d190ac1e25075e1382f77e9397a
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/pjsip/pjproject/security/advisories/GHSA-m66q-q64c-hv36
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

15 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.1 / 10.0
EPSS (Exploit Probability)
0.3%
55th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

debian teluu