JLSEC-2026-1223

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1223.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1223.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-1223
Upstream
Published
2026-08-09T01:27:54.135Z
Modified
2026-08-09T01:30:04.487752891Z
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

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

Database specific 
{
    "sources": [
        {
            "modified": "2026-07-24T20:10:00.147Z",
            "database_specific": {
                "status": "Modified"
            },
            "published": "2026-05-10T07:16:07.883Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45186",
            "imported": "2026-08-09T01:17:11.791Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-45186",
            "id": "CVE-2026-45186"
        }
    ],
    "license": "CC-BY-4.0"
}
References

Affected packages

Julia / Expat_jll

Package

Name
Expat_jll
Purl
pkg:julia/Expat_jll?uuid=2e619515-83b5-522b-bb60-26c02a35a201

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.8.1+0

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1223.json"