Vulnerability · Published Mar 20, 2026 · Assigned by GitHub_M

CVE-2026-32942PJSIP has ICE session use-after-free race conditions

High 8.0

In plain English

A high-severity use-after-free in pjproject from pjsip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.0High

Exploit odds (30 days)0.3%top 72.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.24	pjproject	2.17-r0	ALPINE-CVE-2026-32942
Debian:14	asterisk	1:22.10.0+dfsg+~cs6.17.60671434-1	DEBIAN-CVE-2026-32942

Affected products (as reported)

Vendor	Product	Versions
pjsip	pjproject	< 2.17

Weakness: CWE-416 · Vector: 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

References

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