CVE-2022-24792

Description

PJSIP is a free and open source multimedia communication library written in C. A denial-of-service vulnerability affects applications on a 32-bit systems that use PJSIP versions 2.12 and prior to play/read invalid WAV files. The vulnerability occurs when reading WAV file data chunks with length greater than 31-bit integers. The vulnerability does not affect 64-bit apps and should not affect apps that only plays trusted WAV files. A patch is available on the `master` branch of the `pjsip/project` GitHub repository. As a workaround, apps can reject a WAV file received from an unknown source or validate the file first.

How to fix CVE-2022-24792

To remediate CVE-2022-24792, upgrade the affected package to a fixed version below.

• —upgrade to 2.12.1-r0 or later
• —upgrade to 1:16.28.0~dfsg-0+deb11u1 or later
• —no fix listed

Is CVE-2022-24792 being exploited?

Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.

Affected packages (3)

• from 0, < 2.12.1-r0
• from 0, < 1:16.28.0~dfsg-0+deb11u1
• from 0

CVSS scores

References (2)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2022-24792
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2022-24792