{"schema":"threatline.record/2","record":{"id":"CVE-2026-118371","aliases":[],"summary":"LibreSSL through 4.4.0 CRLF Injection via OCSP_sendreq_new() Request Line","details":"LibreSSL through 4.4.0 contains a CRLF injection vulnerability in the libcrypto OCSP_sendreq_new() and OCSP_parse_url() functions, which write unvalidated request paths into the OCSP POST request line. Attackers can embed carriage return and line feed characters in a certificate's Authority Information Access OCSP URI to inject HTTP headers or split requests sent to responders and proxies.","categories":["Operating systems"],"product":"LibreSSL","vendor":"OpenBSD","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-118371","source_modified_at":"2026-10-28T02:03:20.152Z","fetched_at":"2026-10-28T08:18:35.509402Z","product":"LibreSSL","vendor":"OpenBSD","versions":[{"version":"0","status":"affected","versionType":"semver","lessThanOrEqual":"4.4.0"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-28T02:03:20.152Z","modified_at":"2026-10-28T02:03:20.152Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-118371","fetched_at":"2026-10-28T08:18:35.509402Z","source_modified_at":"2026-10-28T02:03:20.152Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/openbsd/src/commit/d3f7195f4849d8a699cea4a3a67677f4b3dc1591","tags":["patch"]},{"source":"CVE List","url":"https://github.com/openbsd/src/blob/3903c41d301d66facec69f7bf776b182cbc5ed62/lib/libcrypto/ocsp/ocsp_ht.c#L184","tags":["technical-description"]},{"source":"CVE List","url":"https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-4.4.0-relnotes.txt","tags":["release-notes"]},{"source":"CVE List","url":"https://github.com/libressl/portable","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libressl-through-4.4.0-crlf-injection-via-ocsp-sendreq-new-request-line","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-28T02:03:20.152Z","content_hash":"9e678b8425202163735e13f272562f92c43e1c4b4e370739fc1847f26910b7b8"}}