{"id":"CVE-2026-42225","state":"PUBLISHED","title":"GnuTLS backend silently skips certificate chain verification when verify_peer is false","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.","publishedAt":"2026-05-07T18:47:26.563Z","updatedAt":"2026-05-08T14:18:36.257Z","severity":{"score":8.2,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["pjsip pjproject"],"affected":[{"vendor":"pjsip","product":"pjproject","versions":[{"version":"< 2.17","status":"affected"}]}],"references":["https://github.com/pjsip/pjproject/security/advisories/GHSA-x2fv-6j6c-pxmx","https://github.com/pjsip/pjproject/commit/ef684252bb62b0716675b6e99ad7fe4c90e28920","https://github.com/pjsip/pjproject/releases/tag/2.17"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42225.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42225","state":"PUBLISHED","datePublished":"2026-05-07T18:47:26.563Z","dateUpdated":"2026-05-08T14:18:36.257Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-25T05:37:12.116Z"},"containers":{"cna":{"title":"GnuTLS backend silently skips certificate chain verification when verify_peer is false","descriptions":[{"lang":"en","value":"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":[{"vendor":"pjsip","product":"pjproject","versions":[{"version":"< 2.17","status":"affected"}]}],"references":[{"url":"https://github.com/pjsip/pjproject/security/advisories/GHSA-x2fv-6j6c-pxmx","name":"https://github.com/pjsip/pjproject/security/advisories/GHSA-x2fv-6j6c-pxmx","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/pjsip/pjproject/commit/ef684252bb62b0716675b6e99ad7fe4c90e28920","name":"https://github.com/pjsip/pjproject/commit/ef684252bb62b0716675b6e99ad7fe4c90e28920","tags":["x_refsource_MISC"]},{"url":"https://github.com/pjsip/pjproject/releases/tag/2.17","name":"https://github.com/pjsip/pjproject/releases/tag/2.17","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","lang":"en","description":"CWE-295: Improper Certificate Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-07T18:47:26.563Z"},"source":{"advisory":"GHSA-x2fv-6j6c-pxmx","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-08T14:18:30.269113Z","id":"CVE-2026-42225","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-08T14:18:36.257Z"}}]}}}