{"id":"JLSEC-2026-432","summary":"libcurl accidentally skips the certificate verification for QUIC connections when connecting to a...","details":"libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.","modified":"2026-07-18T00:01:59.676656283Z","published":"2026-05-04T13:12:06.605Z","upstream":["CVE-2025-4947","GHSA-ppfq-jg49-mqj4","EUVD-2025-16303"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-4947","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4947","database_specific":{"status":"Analyzed"},"id":"CVE-2025-4947","imported":"2026-07-17T21:52:40.932Z","modified":"2026-06-17T09:34:22.287Z","published":"2025-05-28T07:15:24.780Z"},{"modified":"2025-06-26T18:31:19Z","published":"2025-05-28T09:31:26Z","url":"https://api.github.com/advisories/GHSA-ppfq-jg49-mqj4","html_url":"https://github.com/advisories/GHSA-ppfq-jg49-mqj4","id":"GHSA-ppfq-jg49-mqj4","imported":"2026-07-17T21:52:41.105Z"},{"published":"2025-05-28T06:29:34Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2025-16303","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-16303","id":"EUVD-2025-16303","imported":"2026-07-17T21:52:49.825Z","modified":"2025-05-28T13:58:33Z"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/05/28/4"},{"type":"WEB","url":"https://curl.se/docs/CVE-2025-4947.html"},{"type":"WEB","url":"https://curl.se/docs/CVE-2025-4947.json"},{"type":"WEB","url":"https://github.com/advisories/GHSA-ppfq-jg49-mqj4"},{"type":"WEB","url":"https://hackerone.com/reports/3150884"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4947"}],"affected":[{"package":{"name":"CURL_jll","ecosystem":"Julia","purl":"pkg:julia/CURL_jll?uuid=b21e61f3-bafc-59ac-ab14-4c5c62d6588d"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.9.0+0"},{"fixed":"8.14.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-432.json"}},{"package":{"name":"LibCURL_jll","ecosystem":"Julia","purl":"pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.8.0+0"},{"fixed":"8.14.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-432.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"}]}