JLSEC-2026-20

See a problem?
Please try reporting it to the source first.

Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-20.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-20.json

JSON Data

https://api.osv.dev/v1/vulns/JLSEC-2026-20

Upstream

CVE-2022-31394

Published

2026-04-01T15:14:44.989Z

Modified

2026-07-25T18:24:04.936671795Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks.

Database specific

{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31394",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-31394",
            "published": "2023-02-21T14:15:13.363Z",
            "id": "CVE-2022-31394",
            "imported": "2026-07-17T21:20:40.586Z",
            "modified": "2026-06-17T04:45:24.197Z",
            "database_specific": {
                "status": "Modified"
            }
        }
    ]
}

References

Affected packages

Julia / hyper_jll

Package

Name: hyper_jll
Purl: pkg:julia/hyper_jll?uuid=a61b6c3d-25e5-5e83-9f29-3d6b98db101c

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.14.19+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-20.json"