CVE-2026-32942

PJSIP has ICE session use-after-free race conditions

State: Published
Severity: 8.0 High
Published: Mar 20, 2026
Updated: Mar 20, 2026
Reserved: Mar 17, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.0 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U	GitHub_M

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
pjprojectpjsip	< 2.17Affected

References

https://github.com/pjsip/pjproject/security/advisories/GHSA-g88q-c2hm-q7p7
https://github.com/pjsip/pjproject/issues/1451
https://github.com/pjsip/pjproject/commit/c9caceddabda7f18337b2a82d25d65f6224b450a

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