CVE-2022-39244
criticalpriority · track · 40EPSS 0.015 · 74 %ileEURUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (25)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-39244/cnnvd
- https://github.com/pjsip/pjproject/commit/c4d34984ec92b3d5252a7d5cddd85a1d3a8001aecnnvd
- https://github.com/pjsip/pjproject/security/advisories/GHSA-fq45-m3f7-3mhjcnnvd
- https://lists.debian.org/debian-lts-announce/2023/02/msg00029.htmlcnnvd
- https://lists.debian.org/debian-lts-announce/2023/08/msg00038.htmlcnnvd
- https://security.gentoo.org/glsa/202210-37cnnvd
- https://vigilance.fr/vulnerability/PJSIP-buffer-overflow-via-Parser-40003cnnvd
- https://www.auscert.org.au/bulletins/ESB-2023.1153cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan