Use After Free in Pjsip Pjproject
CVE-2026-32942
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (26.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.003 · change: -0.003
Affected products
- Pjsip Pjproject — versions < 2.17
- Pjsip
Weakness classification (CWE)
References
- github.com/pjsip/pjproject/security/advisories/GHSA-g88q-c2hm-q7p7 (Patch, Vendor Advisory)
- github.com/pjsip/pjproject/issues/1451 (Issue Tracking)
- github.com/pjsip/pjproject/commit/c9caceddabda7f18337b2a82d25d65f6224b450a (Patch)
Frequently asked questions
- What is CVE-2026-32942?
- CVE-2026-32942 is a high-severity vulnerability in Pjsip Pjproject, classified under Use After Free. CVSS score: 8.1/10. Published 2026-03-20.
- How severe is CVE-2026-32942?
- High severity. CVSS v3 base score is 8.1 out of 10.