JLSEC-2026-327

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-327.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-327.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2026-327
Upstream
Published
2026-04-29T13:21:01.555Z
Modified
2026-04-29T13:32:10.102949Z
Summary
[none]
Details

A vulnerability has been found in HDF5 1.14.6 and classified as critical. This vulnerability affects the function H5T_bitcopy of the component Type Conversion Logic. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor plans to fix this issue in an upcoming release.

Database specific
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Analyzed"
            },
            "modified": "2025-05-28T18:13:22.980Z",
            "id": "CVE-2025-2309",
            "published": "2025-03-14T21:15:37.260Z",
            "imported": "2026-04-29T08:59:43.459Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-2309",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-2309"
        }
    ]
}
References

Affected packages

Julia / HDF5_jll

Package

Name
HDF5_jll
Purl
pkg:julia/HDF5_jll?uuid=0234f1f7-429e-5d53-9886-15a909be8d59

Affected ranges

Type
SEMVER
Events
Introduced
1.14.5+0
Fixed
2.0.0+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-327.json"