{"id":"CVE-2025-12889","summary":"TLS 1.2 Client Can Downgrade Digest Used","details":"With TLS 1.2 connections a client can use any digest, specifically a weaker digest that is supported, rather than those in the CertificateRequest.","modified":"2026-08-12T03:51:22.712560919Z","published":"2025-11-21T23:06:59.827Z","database_specific":{"cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12889.json","cna_assigner":"wolfSSL"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12889.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12889"},{"type":"FIX","url":"https://github.com/wolfSSL/wolfssl/pull/9395"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wolfssl/wolfssl","events":[{"introduced":"59f4fa568615396fbf381b073b220d1e8d61e4c2"},{"fixed":"59f4fa568615396fbf381b073b220d1e8d61e4c2"}],"database_specific":{"cpe":"cpe:2.3:a:wolfssl:wolfssl:5.8.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"5.8.4"},{"introduced":"5.8.4"},{"last_affected":"5.8.4"}],"source":["AFFECTED_FIELD","CPE_STRING"]}}],"versions":["5.8.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12889.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"}]}