JLSEC-2026-1290

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1290.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1290.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-1290
Upstream
Published
2026-08-13T09:49:53Z
Modified
2026-08-13T10:00:04Z
Severity
  • 4.3 CVSS_V2 - AV:N/AC:M/Au:N/C:P/I:N/A:N (Source: NVD) CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (Source: NVD) CVSS Calculator
Summary
[none]
Details

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

Database specific 
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Modified"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28739",
            "id": "CVE-2022-28739",
            "imported": "2026-08-12T15:35:15.649Z",
            "modified": "2026-06-17T04:38:56.890Z",
            "published": "2022-05-09T18:15:08.540Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-28739"
        }
    ]
}
References

Affected packages

Julia / ruby_jll

Package

Name
ruby_jll
Purl
pkg:julia/ruby_jll?uuid=3ea333e9-fd8a-53ca-adba-366e8551b7d5

Affected ranges

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

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1290.json"