JLSEC-2026-408

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-408.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-408.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-408
Upstream
Published
2026-05-04T13:12:06.605Z
Modified
2026-05-04T13:15:07.754158Z
Summary
[none]
Details

A denial of service vulnerability exists in curl <v8.1.0 in the way libcurl provides several different backends for resolving host names, selected at build time. If it is built to use the synchronous resolver, it allows name resolves to time-out slow operations using alarm() and siglongjmp(). When doing this, libcurl used a global buffer that was not mutex protected and a multi-threaded application might therefore crash or otherwise misbehave.

Database specific
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "imported": "2026-05-02T08:39:47.037Z",
            "id": "CVE-2023-28320",
            "published": "2023-05-26T21:15:15.937Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2023-28320",
            "database_specific": {
                "status": "Modified"
            },
            "modified": "2025-01-15T16:15:25.953Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28320"
        }
    ]
}
References

Affected packages

Julia / CURL_jll

Package

Name
CURL_jll
Purl
pkg:julia/CURL_jll?uuid=b21e61f3-bafc-59ac-ab14-4c5c62d6588d

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.5.0+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-408.json"

Julia / LibCURL_jll

Package

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

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.2.1+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-408.json"