{"id":"JLSEC-2026-684","summary":"A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite...","details":"A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello.  https://doi.org/10.46586/tches.v2024.i1.457-500","modified":"2026-07-25T18:24:45.401396709Z","published":"2026-07-14T21:41:35.775Z","upstream":["CVE-2024-5814","GHSA-8cr7-x5g8-m3f3","EUVD-2024-46962"],"database_specific":{"license":"CC-BY-4.0","sources":[{"database_specific":{"status":"Analyzed"},"id":"CVE-2024-5814","imported":"2026-07-17T22:24:41.449Z","modified":"2026-06-17T08:16:42.123Z","published":"2024-08-27T19:15:17.980Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-5814","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-5814"},{"url":"https://api.github.com/advisories/GHSA-8cr7-x5g8-m3f3","html_url":"https://github.com/advisories/GHSA-8cr7-x5g8-m3f3","id":"GHSA-8cr7-x5g8-m3f3","imported":"2026-07-17T22:24:41.588Z","modified":"2025-12-06T03:31:21Z","published":"2024-08-27T21:31:14Z"},{"published":"2024-08-27T18:38:08Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2024-46962","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-46962","id":"EUVD-2024-46962","imported":"2026-07-17T22:24:51.522Z","modified":"2024-08-27T19:21:04Z"}]},"references":[{"type":"WEB","url":"https://github.com/advisories/GHSA-8cr7-x5g8-m3f3"},{"type":"WEB","url":"https://github.com/wolfSSL/wolfssl/blob/master/ChangeLog.md#add_later"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-5814"}],"affected":[{"package":{"name":"wolfSSL_jll","ecosystem":"Julia","purl":"pkg:julia/wolfSSL_jll?uuid=98c43586-9870-5ae5-ab22-acc77b9bbdb5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.7.2+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-684.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:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:D/RE:M/U:Green"}]}