JLSEC-2025-64

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2025/JLSEC-2025-64.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-64.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2025-64
Upstream
Published
2025-10-14T15:35:41Z
Modified
2026-07-25T18:23:44Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
An issue was discovered in libexpat before 2.6.3
Details

An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX).

Database specific 
{
    "license":  "CC-BY-4.0",
    "sources":  [
        {
            "database_specific":  {
                "status":  "Modified"
            },
            "html_url":  "https://nvd.nist.gov/vuln/detail/CVE-2024-45492",
            "id":  "CVE-2024-45492",
            "imported":  "2026-07-17T21:04:16.823Z",
            "modified":  "2026-06-17T07:54:18.840Z",
            "published":  "2024-08-30T03:15:03.930Z",
            "url":  "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-45492"
        }
    ]
}
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
0 Unknown introduced version / All previous versions are affected
Fixed
2.6.4+0

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-64.json"