JLSEC-2026-684
- Source
- https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-684.md
- Import Source
- https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-684.json
- JSON Data
- https://api.osv.dev/v1/vulns/JLSEC-2026-684
- Upstream
- Published
- 2026-07-14T21:41:35.775Z
- Modified
- 2026-07-25T18:24:45.401396709Z
- Severity
-
- 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
- 5.1 (Medium) CVSS_V4 - 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 CVSS Calculator
- 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
- Database specific
{ "license": "CC-BY-4.0", "sources": [ { "database_specific": { "status": "Analyzed" }, "id": "CVE-2024-5814", "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", "modified": "2026-06-17T08:16:42.123Z", "imported": "2026-07-17T22:24:41.449Z" }, { "id": "GHSA-8cr7-x5g8-m3f3", "html_url": "https://github.com/advisories/GHSA-8cr7-x5g8-m3f3", "url": "https://api.github.com/advisories/GHSA-8cr7-x5g8-m3f3", "published": "2024-08-27T21:31:14Z", "modified": "2025-12-06T03:31:21Z", "imported": "2026-07-17T22:24:41.588Z" }, { "id": "EUVD-2024-46962", "html_url": "https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-46962", "url": "https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2024-46962", "published": "2024-08-27T18:38:08Z", "modified": "2024-08-27T19:21:04Z", "imported": "2026-07-17T22:24:51.522Z" } ] }- References