Summaryinfo

A vulnerability has been found in pjsip pjproject up to 2.16 and classified as critical. Impacted is an unknown function. The manipulation leads to use after free. This vulnerability is documented as CVE-2026-32942. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in pjsip pjproject up to 2.16 and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain a heap use-after-free vulnerability in the ICE session that occurs when there are race conditions between session destruction and the callbacks. This issue has been fixed in version 2.17.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-32942 since 03/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 304066 (Linux Distros Unpatched Vulnerability : CVE-2026-32942), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.17 eliminates this vulnerability. Applying the patch c9caceddabda7f18337b2a82d25d65f6224b450a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (304066). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Project Management Software

Vendor

• pjsip

Name

• pjproject

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16

License

• open-source

Website

• Product: https://github.com/pjsip/pjproject/

CPE 2.3info

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CPE 2.2info

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