Vulnerability in Pjsip Pjproject
CVE-2026-42225
PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, on GnuTLS builds, the SIP TLS transport (sip_transport_tls) can accept connections with invalid or untrusted certificates even when the a…
Vulnerability class: Improper Certificate Validation
EPSS: 0.000 (6.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Pjsip Pjproject — versions < 2.17
- Teluu Pjsip
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-42225?
- CVE-2026-42225 is a medium-severity vulnerability in Pjsip Pjproject, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2026-05-07.
- How severe is CVE-2026-42225?
- Medium severity. CVSS v3 base score is 5.9 out of 10.