PT-2026-38557 · Pjsip · Pjsip

Feynman-Hou · CVE-2026-42225 · Published 2026-05-07 · Updated 2026-05-07

Positive Technologies (AI Summary)

CVSS v4.0

8.2

High

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions PJSIP versions prior to 2.17

Description In GnuTLS builds, the SIP TLS transport (sip transport tls) may accept connections with invalid or untrusted certificates. This occurs even when the application explicitly enables certificate verification through the verify server or verify client variables set to PJ TRUE.

Recommendations Update to version 2.17.

Exploit

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2026-42225

GHSA-X2FV-6J6C-PXMX

Affected Products

Pjsip

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42225.json · Exploit
• https://github.com/pjsip/pjproject/commit/ef684252bb62b0716675b6e99ad7fe4c90e28920 · Patch
• https://github.com/pjsip/pjproject/security/advisories/GHSA-x2fv-6j6c-pxmx · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-42225 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-42225 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-42225 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-42225 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42225 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-42225 · Security Note
• https://osv.dev/vulnerability/CVE-2026-42225 · Vendor Advisory
• https://github.com/pjsip/pjproject/releases/tag/2.17 · Note
• https://twitter.com/CVEnew/status/2052477941980762344 · Twitter Post