CVE-2022-24764 Stack buffer overflow in pjproject

What is CVE-2022-24764?

CVE-2022-24764 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 22 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 C. Versions 2.12 and prior contain a stack buffer overflow vulnerability that affects PJSUA2 users or users that call the API `pjmedia_sdp_print(), pjmedia_sdp_media_print()`. Applications that do not use PJSUA2 and do not directly call `pjmedia_sdp_print()` or `pjmedia_sdp_media_print()` should not be affected. A patch is available on the `master` branch of the `pjsip/pjproject` GitHub repository. There are currently no known workarounds.

Weakness: CWE-787, CWE-121, CWE-120

Which versions are affected by CVE-2022-24764?

It affects 2 products.

Products include Debian Debian Linux, Teluu Pjsip.

How do I fix CVE-2022-24764?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-24764 being exploited?

There is no known exploitation of CVE-2022-24764 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• 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-2022-24764, DEBIAN-CVE-2022-24764, GHSA-f5qg-pqcg-765m, UBUNTU-CVE-2022-24764.