JLSEC-2026-539

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Source
https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-539.md
Import Source
https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-539.json
JSON Data
https://api.osv.dev/v1/vulns/JLSEC-2026-539
Upstream
Published
2026-05-26T19:31:24.313Z
Modified
2026-05-26T19:45:03.113995007Z
Summary
[none]
Details

There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest impact of this flaw is to application availability.

Database specific 
{
    "sources": [
        {
            "html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27842",
            "imported": "2026-05-25T01:08:37.122Z",
            "id": "CVE-2020-27842",
            "database_specific": {
                "status": "Modified"
            },
            "modified": "2024-11-21T05:21:54.960Z",
            "published": "2021-01-05T18:15:14.020Z",
            "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-27842"
        }
    ],
    "license": "CC-BY-4.0"
}
References

Affected packages

Julia / OpenJpeg_jll

Package

Name
OpenJpeg_jll
Purl
pkg:julia/OpenJpeg_jll?uuid=643b3616-a352-519d-856d-80112ee9badc

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.0+0

Database specific

source 
"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-539.json"