CVE-2022-39244

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.

How to fix CVE-2022-39244

To remediate CVE-2022-39244, upgrade the affected package to a fixed version below.

• —upgrade to 2.13-r0 or later
• —upgrade to 1:16.28.0~dfsg-0+deb11u2 or later
• —upgrade to 20210112.2.b757bac~ds1-1+deb11u1 or later

Is CVE-2022-39244 being exploited?

Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 2.13-r0
• from 0, < 1:16.28.0~dfsg-0+deb11u2
• from 0, < 20210112.2.b757bac~ds1-1+deb11u1

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2022-39244
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2022-39244