JLSEC-2026-18

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Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-18.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-18.json

JSON Data

https://api.test.osv.dev/v1/vulns/JLSEC-2026-18

Upstream

CVE-2019-20633

Published

2026-03-31T16:50:26.988Z

Modified

2026-07-25T18:24:30.504367797Z

Severity

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

Summary

[none]

Details

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

Database specific

{
    "sources": [
        {
            "id": "CVE-2019-20633",
            "database_specific": {
                "status": "Modified"
            },
            "published": "2020-03-25T17:15:14.013Z",
            "imported": "2026-07-17T21:18:17.529Z",
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20633",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-20633",
            "modified": "2026-06-17T02:30:50.590Z"
        }
    ],
    "license": "CC-BY-4.0"
}

References

https://savannah.gnu.org/bugs/index.php?56683

Affected packages

Julia / patch_jll

Package

Name: patch_jll
Purl: pkg:julia/patch_jll?uuid=c7bec4a6-5215-51fd-b0a3-64ceaaad3a34

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.8.0+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-18.json"