CVE-2022-24763 Infinite Loop in PJSIP

What is CVE-2022-24763?

CVE-2022-24763 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 30 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.

Weakness: CWE-835

Which versions are affected by CVE-2022-24763?

It affects 2 products.

Products include Debian Debian Linux, Teluu Pjsip.

How do I fix CVE-2022-24763?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-24763 being exploited?

There is no known exploitation of CVE-2022-24763 in the wild and no public exploit code.

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• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2022-24763, DEBIAN-CVE-2022-24763, GHSA-5x45-qp78-g4p4, UBUNTU-CVE-2022-24763.