JLSEC-2026-509

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-509.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-509.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-509
Upstream
Published
2026-05-18T14:23:04.937Z
Modified
2026-05-18T14:30:04.011869221Z
Summary
[none]
Details

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::alternatives in prelexer.hpp.

Database specific 
{
    "sources": [
        {
            "published": "2019-01-14T22:29:00.343Z",
            "modified": "2024-11-21T04:46:22.063Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-6284",
            "id": "CVE-2019-6284",
            "imported": "2026-05-16T01:24:16.704Z",
            "database_specific": {
                "status": "Modified"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-6284"
        }
    ],
    "license": "CC-BY-4.0"
}
References

Affected packages

Julia / libsass_jll

Package

Name
libsass_jll
Purl
pkg:julia/libsass_jll?uuid=47bcb7c8-5119-555a-9eeb-0afcc36cd728

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.4+0

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-509.json"