CVE-2022-39244
In versions of PJSIP prior to 2.13 the PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser are affeced by a buffer overflow vulnerability.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
PJSIP is a free and open source multimedia communication library written in C. In versions of PJSIP prior to 2.13 the PJSIP parser, PJMEDIA RTP decoder, and PJMEDIA SDP parser are affeced by a buffer overflow vulnerability. Users connecting to untrusted clients are at risk. This issue has been patched and is available as commit c4d3498 in the master branch and will be included in releases 2.13 and later. Users are advised to upgrade. There are no known workarounds for this issue.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.50% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- pjsip/pjsip
- Source
- security-advisories@github.com
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/pjsip/pjproject/commit/c4d34984ec92b3d5252a7d5cddd85a1d3a8001aePatch, Third Party Advisory
- https://github.com/pjsip/pjproject/security/advisories/GHSA-fq45-m3f7-3mhjThird Party Advisory
- 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/202210-37Third Party Advisory
- https://www.debian.org/security/2023/dsa-5358
- https://github.com/pjsip/pjproject/commit/c4d34984ec92b3d5252a7d5cddd85a1d3a8001aePatch, Third Party Advisory
- https://github.com/pjsip/pjproject/security/advisories/GHSA-fq45-m3f7-3mhjThird Party Advisory
- 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/202210-37Third Party Advisory
- https://www.debian.org/security/2023/dsa-5358
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.