JLSEC-2026-1294

See a problem?
Please try reporting it to the source first.

Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-1294.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1294.json

JSON Data

https://api.osv.dev/v1/vulns/JLSEC-2026-1294

Upstream

CVE-2020-27819

Published

2026-08-13T10:57:26Z

Modified

2026-08-13T11:00:03Z

Severity

4.3 CVSS_V2 - AV:N/AC:M/Au:N/C:N/I:N/A:P (Source: NVD) 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 (Source: NVD) CVSS Calculator

Summary

[none]

Details

An issue was discovered in libxls before and including 1.6.1 when reading Microsoft Excel files. A NULL pointer dereference vulnerability exists when parsing XLS cells in libxls/xls2csv.c:199. It could allow a remote attacker to cause a denial of service via crafted XLS file.

Database specific

{
    "license": "CC-BY-4.0",
    "sources": [
        {
            "database_specific": {
                "status": "Modified"
            },
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27819",
            "id": "CVE-2020-27819",
            "imported": "2026-08-12T16:06:13.387Z",
            "modified": "2026-06-17T03:09:40.823Z",
            "published": "2021-02-23T04:15:13.883Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-27819"
        }
    ]
}

References

Affected packages

Julia / libxls_jll

Package

Name: libxls_jll
Purl: pkg:julia/libxls_jll?uuid=86717fa1-76ed-5f2d-aba0-009d7207923f

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.6.2+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1294.json"