CVE-2022-21722

    Dashboard / Vulnerabilities / CVE-2022-21722

    CVE-2022-21722

    Published: 27 Jan 2022Last Modified: 21 Oct 2026

    Summary: Potential out-of-bound read during RTP/RTCP parsing in PJSIP

    Details: 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.

    References: https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21722.json, https://github.com/pjsip/pjproject/security/advisories/GHSA-m66q-q64c-hv36, https://nvd.nist.gov/vuln/detail/CVE-2022-21722, https://security.gentoo.org/glsa/202210-37, https://www.debian.org/security/2022/dsa-5285, https://github.com/pjsip/pjproject/commit/22af44e68a0c7d190ac1e25075e1382f77e9397a, https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html, https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html, https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -22af44e68a0c7d190ac1e25075e1382f77e9397a

    Affected versions

    2.11

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2022-21722 | CVE-DB