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
2026-07-14T21:41:35Z
Modified
2026-07-25T18:24:45Z
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"
            },
            "html_url":  "https://nvd.nist.gov/vuln/detail/CVE-2024-5814",
            "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://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",
            "url":  "https://api.github.com/advisories/GHSA-8cr7-x5g8-m3f3"
        },
        {
            "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",
            "published":  "2024-08-27T18:38:08Z",
            "url":  "https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2024-46962"
        }
    ]
}
References

Affected packages

Julia / wolfSSL_jll

Package

Name
wolfSSL_jll
Purl
pkg:julia/wolfSSL_jll?uuid=98c43586-9870-5ae5-ab22-acc77b9bbdb5

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.7.2+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-684.json"