USN-5431-1

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Source
https://ubuntu.com/security/notices/USN-5431-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5431-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5431-1
Upstream
Related
Published
2022-05-30T08:24:09.471076Z
Modified
2025-10-13T04:35:56Z
Summary
gnupg2 vulnerability
Details

It was discovered that GnuPG was not properly processing keys with large amounts of signatures. An attacker could possibly use this issue to cause a denial of service.

References

Affected packages

Ubuntu:18.04:LTS / gnupg2

Package

Name
gnupg2
Purl
pkg:deb/ubuntu/gnupg2@2.2.4-1ubuntu1.5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.4-1ubuntu1.5

Affected versions

2.*

2.1.15-1ubuntu8
2.2.4-1ubuntu1
2.2.4-1ubuntu1.1
2.2.4-1ubuntu1.2
2.2.4-1ubuntu1.3
2.2.4-1ubuntu1.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "dirmngr"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gnupg"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gnupg-agent"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gnupg-l10n"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gnupg-utils"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gnupg2"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpg"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpg-agent"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpg-wks-client"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpg-wks-server"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpgconf"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpgsm"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpgv"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpgv-static"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpgv-win32"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "gpgv2"
        },
        {
            "binary_version": "2.2.4-1ubuntu1.5",
            "binary_name": "scdaemon"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ],
            "id": "CVE-2019-13050"
        }
    ]
}