JLSEC-2026-514

Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-514.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-514.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2026-514
Upstream
Published
2026-05-20T04:02:19.667Z
Modified
2026-07-25T18:24:33.510045963Z
Severity
Summary
[none]
Details

An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability.

Database specific
{
    "sources": [
        {
            "imported": "2026-07-17T22:03:04.282Z",
            "modified": "2026-06-17T03:33:31.277Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20234",
            "published": "2021-04-01T14:15:13.123Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-20234",
            "database_specific": {
                "status": "Modified"
            },
            "id": "CVE-2021-20234"
        }
    ],
    "license": "CC-BY-4.0"
}
References

Affected packages

Julia / ZeroMQ_jll

Package

Name
ZeroMQ_jll
Purl
pkg:julia/ZeroMQ_jll?uuid=8f1865be-045e-5c20-9c9f-bfbfb0764568

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.3.4+0

Database specific

source
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-514.json"