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    CVE-2022-31031

    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 prior to and including 2.12.1 a stack buffer overflow vulnerability affects PJSIP users that use STUN in their applications, either by: setting a STUN server in their account/media config in PJSUA/PJSUA2 level, or directly using `pjlib-util/stun_simple` API. A patch is available in commit 450baca which should be included in the next release. There are no known workarounds for this issue.

    Published:Jun 7, 2022
    Last Modified:Nov 4, 2025
    EPS:Jun 7, 2022
    EPSS Score:0.00325
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Teluu
    Product
    Pjsip

    Exploits

    No exploit reference

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    References

    https://github.com/pjsip/pjproject/commit/450baca94f475345542c6953832650c390889202
    https://github.com/pjsip/pjproject/security/advisories/GHSA-26j7-ww69-c4qj
    https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html
    https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
    https://security.gentoo.org/glsa/202210-37
    https://www.debian.org/security/2023/dsa-5358
    https://github.com/pjsip/pjproject/commit/450baca94f475345542c6953832650c390889202
    https://github.com/pjsip/pjproject/security/advisories/GHSA-26j7-ww69-c4qj
    https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html
    https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
    https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html
    https://security.gentoo.org/glsa/202210-37
    https://www.debian.org/security/2023/dsa-5358

    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