JLSEC-2026-451

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Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-451.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-451.json

JSON Data

https://api.test.osv.dev/v1/vulns/JLSEC-2026-451

Upstream

CVE-2021-39537

Published

2026-05-05T15:51:30Z

Modified

2026-07-25T18:25:07Z

Severity

6.8 CVSS_V2 - AV:N/AC:M/Au:N/C:P/I:P/A:P CVSS Calculator
8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

An issue was discovered in ncurses through v6.2-1. _nc_captoinfo in captoinfo.c has a heap-based buffer overflow.

Database specific

{
    "license":  "CC-BY-4.0",
    "sources":  [
        {
            "database_specific":  {
                "status":  "Modified"
            },
            "html_url":  "https://nvd.nist.gov/vuln/detail/CVE-2021-39537",
            "id":  "CVE-2021-39537",
            "imported":  "2026-07-17T21:55:22.497Z",
            "modified":  "2026-06-17T04:03:46.720Z",
            "published":  "2021-09-20T16:15:12.477Z",
            "url":  "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-39537"
        }
    ]
}

References

Affected packages

Julia / Ncurses_jll

Package

Name: Ncurses_jll
Purl: pkg:julia/Ncurses_jll?uuid=68e3532b-a499-55ff-9963-d1c0c0748b3a

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

6.4.0+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-451.json"