JLSEC-2025-27

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Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2025/JLSEC-2025-27.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-27.json

JSON Data

https://api.test.osv.dev/v1/vulns/JLSEC-2025-27

Upstream

CVE-2021-22890

Published

2025-10-10T15:04:01Z

Modified

2026-07-25T18:24:05Z

Severity

4.3 CVSS_V2 - AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS Calculator
3.7 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator

Summary

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to...

Details

curl 7.63.0 to and including 7.75.0 includes vulnerability that allows a malicious HTTPS proxy to MITM a connection due to bad handling of TLS 1.3 session tickets. When using a HTTPS proxy and TLS 1.3, libcurl can confuse session tickets arriving from the HTTPS proxy but work as if they arrived from the remote server and then wrongly "short-cut" the host handshake. When confusing the tickets, a HTTPS proxy can trick libcurl to use the wrong session ticket resume for the host and thereby circumvent the server TLS certificate check and make a MITM attack to be possible to perform unnoticed. Note that such a malicious HTTPS proxy needs to provide a certificate that curl will accept for the MITMed server for an attack to work - unless curl has been told to ignore the server certificate check.

Database specific

{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Modified"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22890",
            "id": "CVE-2021-22890",
            "imported": "2026-07-17T20:53:51.987Z",
            "modified": "2026-06-17T03:37:57.537Z",
            "published": "2021-04-01T18:15:12.917Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-22890"
        }
    ]
}

References

Affected packages

Julia / LibCURL_jll

Package

Name: LibCURL_jll
Purl: pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

7.81.0+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-27.json"