What is CVE-2022-24763?

CVE-2022-24763 is a high-severity vulnerability in Pjsip Pjproject, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2022-03-30.

How severe is CVE-2022-24763?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-24763 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Pjsip Pjproject

CVE-2022-24763

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.

Published 2022-03-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: -0.001

Affected products

Pjsip Pjproject — versions <= 2.12
Teluu Pjsip
Debian Linux — versions 9.0, 10.0, 11.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

Public proof-of-concept exploits

anonymous-1113/CPE_

References

github.com/pjsip/pjproject/security/advisories/GHSA-5x45-qp78-g4p4 (Patch, Third Party Advisory)
github.com/pjsip/pjproject/commit/856f87c2e97a27b256482dbe0d748b1194355a21 (Patch, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/05/msg00047.html (mailing-list, Mailing List, Third Party Advisory)
security.gentoo.org/glsa/202210-37 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/11/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
www.debian.org/security/2022/dsa-5285 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2023/08/msg00038.html (mailing-list, Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2022-24763?: CVE-2022-24763 is a high-severity vulnerability in Pjsip Pjproject, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2022-03-30.
How severe is CVE-2022-24763?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-24763 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.