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CVE-2026-42225

5.9 · MEDIUM

PJSIP is a free and open source multimedia communication library written in C.

Published May 7, 2026teluuCWE-295EPSS 0.16%

Overview

CVE-2026-42225 is a medium-severity vulnerability affecting teluu pjsip. It was published on May 7, 2026 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from teluu. Update pjsip to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
teluupjsip>= 0, < 2.17Affected

References

GitHubgithub.com/pjsip/pjproject/commit/ef684252bb62b0716675b6e99ad7fe4c90e28920GitHubgithub.com/pjsip/pjproject/releases/tag/2.17GitHubgithub.com/pjsip/pjproject/security/advisories/GHSA-x2fv-6j6c-pxmx

How CyberStrike helps

Frequently asked questions

What is CVE-2026-42225?

CVE-2026-42225 is a medium-severity vulnerability affecting teluu pjsip. It was published on May 7, 2026 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2026-42225?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-42225?

Check the references section for vendor advisories and patches from teluu. Update pjsip to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-42225?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-42225 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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