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Vulnerability · Published Oct 6, 2022 · Assigned by GitHub_M

CVE-2022-39244Buffer overflow in pjlib scanner and pjmedia

High 7.5

In plain English

A high-severity buffer overflow in pjproject from pjsip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.5%top 25.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20pjproject2.13-r0ALPINE-CVE-2022-39244
Alpine:v3.21pjproject2.13-r0ALPINE-CVE-2022-39244
Alpine:v3.22pjproject2.13-r0ALPINE-CVE-2022-39244
Alpine:v3.23pjproject2.13-r0ALPINE-CVE-2022-39244
Alpine:v3.24pjproject2.13-r0ALPINE-CVE-2022-39244
Debian:14asterisk1:20.0.1~dfsg+~cs6.12.40431414-1DEBIAN-CVE-2022-39244
Debian:12ring20230206.0~ds1-1DEBIAN-CVE-2022-39244
Ubuntu:22.04:LTSasteriskno fix listedUBUNTU-CVE-2022-39244
Ubuntu:24.04:LTSasteriskno fix listedUBUNTU-CVE-2022-39244
Ubuntu:25.10asteriskno fix listedUBUNTU-CVE-2022-39244
Ubuntu:26.04:LTSasteriskno fix listedUBUNTU-CVE-2022-39244
Ubuntu:26.10asteriskno fix listedUBUNTU-CVE-2022-39244

Affected products (as reported)

VendorProductVersions
pjsip pjproject < 2.13

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References