JLSEC-2026-123

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Source

https://github.com/JuliaLang/SecurityAdvisories.jl/blob/main/advisories/published/2026/JLSEC-2026-123.md

Import Source

https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-123.json

JSON Data

https://api.test.osv.dev/v1/vulns/JLSEC-2026-123

Upstream

CVE-2021-33560

Published

2026-04-17T13:07:52Z

Modified

2026-07-25T18:24:20Z

Severity

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

Summary

[none]

Details

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.

Database specific

{
    "license":  "CC-BY-4.0",
    "sources":  [
        {
            "database_specific":  {
                "status":  "Modified"
            },
            "html_url":  "https://nvd.nist.gov/vuln/detail/CVE-2021-33560",
            "id":  "CVE-2021-33560",
            "imported":  "2026-07-17T21:11:51.198Z",
            "modified":  "2026-06-17T03:54:47.733Z",
            "published":  "2021-06-08T11:15:07.767Z",
            "url":  "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-33560"
        }
    ]
}

References

Affected packages

Julia / Libgcrypt_jll

Package

Name: Libgcrypt_jll
Purl: pkg:julia/Libgcrypt_jll?uuid=d4300ac3-e22c-5743-9152-c294e39db1e4

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

1.8.11+0

Database specific

source

"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-123.json"