VulnerabilityAnalyzed

CVE-2026-32942

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.

HIGH 8.0EPSS 0.32%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 4.0: 8.0 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.32% probability · 25th percentile
CISA KEV: Not listed
Weakness: CWE-416
Affected: pjsip/pjsip
Source: security-advisories@github.com

References

https://github.com/pjsip/pjproject/commit/c9caceddabda7f18337b2a82d25d65f6224b450aPatch
https://github.com/pjsip/pjproject/issues/1451Issue Tracking
https://github.com/pjsip/pjproject/security/advisories/GHSA-g88q-c2hm-q7p7Patch, Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.