What’s Vulnerable › Vulnerabilities
CVE-2022-31031: Potential stack buffer overflow when parsing message as a STUN client
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-06-09 · updated 2026-06-17
- Weakness: CWE-120
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 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.
Affected products
- Debian Linux: 10.0, 11.0
- teluu pjsip: through 2.12.1
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
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