{"id":"CVE-2026-118371","revision":"6bef606b06b444ca89eae14f0f19ed29","records":[{"revision":"6bef606b06b444ca89eae14f0f19ed29","observedAt":"2026-10-28T03:51:21.076+00:00","statement":{"source":"cve-program","id":"CVE-2026-118371","aliases":[],"title":"LibreSSL through 4.4.0 CRLF Injection via OCSP_sendreq_new() Request Line","description":"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.","state":0,"publishedAt":"2026-10-28T02:03:20.152+00:00","modifiedAt":"2026-10-28T02:03:20.152+00:00","affected":[{"ecosystem":"Vendor product","name":"LibreSSL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"OpenBSD\",\n                    \"product\": \"LibreSSL\",\n                    \"packageURL\": \"pkg:github/libressl/portable\",\n                    \"repo\": \"https://github.com/libressl/portable\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThanOrEqual\": \"4.4.0\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7,"severity":"LOW"}],"references":["https://github.com/openbsd/src/commit/d3f7195f4849d8a699cea4a3a67677f4b3dc1591","https://github.com/openbsd/src/blob/3903c41d301d66facec69f7bf776b182cbc5ed62/lib/libcrypto/ocsp/ocsp_ht.c#L184","https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-4.4.0-relnotes.txt","https://github.com/libressl/portable","https://www.vulncheck.com/advisories/libressl-through-4.4.0-crlf-injection-via-ocsp-sendreq-new-request-line"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118371","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-118371","identifiers":["CVE-2026-118371"]},"retained":false,"historicalAffected":[]}],"coverage":[]}