JLSEC-2026-58

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-58.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-58.json
JSON Data
https://api.test.osv.dev/v1/vulns/JLSEC-2026-58
Upstream
Published
2026-04-06T14:29:38.996Z
Modified
2026-04-06T14:45:08.988164Z
Summary
[none]
Details

An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.

Database specific 
{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "imported": "2026-04-06T14:18:11.814Z",
            "modified": "2024-11-21T04:55:31.623Z",
            "published": "2020-03-12T19:15:13.227Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-10531",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10531",
            "id": "CVE-2020-10531"
        }
    ]
}
References

Affected packages

Julia / ICU_jll

Package

Name
ICU_jll
Purl
pkg:julia/ICU_jll?uuid=a51ab1cf-af8e-5615-a023-bc2c838bba6b

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
67.1.0+3

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-58.json"