JLSEC-2026-20

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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.test.osv.dev/v1/vulns/JLSEC-2026-20
Upstream
Published
2026-04-01T15:14:44.989Z
Modified
2026-04-01T15:30:06.418369Z
Summary
[none]
Details

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

Database specific 
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "modified": "2025-03-17T19:15:12.043Z",
            "id": "CVE-2022-31394",
            "imported": "2026-03-31T15:20:15.741Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-31394",
            "published": "2023-02-21T14:15:13.363Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31394"
        }
    ]
}
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"