CVE-2026-42225: Teluu Pjsip

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

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 application explicitly enables certificate verification via verify_server = PJ_TRUE or verify_client = PJ_TRUE. This issue has been patched in version 2.17.

Affected products

• Teluu Pjsip: before 2.17 (fixed in 2.17)

Published 2026-05-07. Last modified 2026-06-17.