USN-5787-2

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Source
https://ubuntu.com/security/notices/USN-5787-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5787-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5787-2
Upstream
Related
Published
2023-01-09T11:24:20.772039Z
Modified
2025-10-13T04:36:11Z
Summary
libksba vulnerability
Details

USN-5787-1 fixed vulnerabilities in Libksba. This update provides the corresponding updates for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libksba

Package

Name
libksba
Purl
pkg:deb/ubuntu/libksba@1.3.0-3ubuntu0.14.04.2+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.3.0-3ubuntu0.14.04.2+esm2

Affected versions

1.*

1.3.0-2
1.3.0-2ubuntu1
1.3.0-3
1.3.0-3ubuntu0.14.04.1
1.3.0-3ubuntu0.14.04.2
1.3.0-3ubuntu0.14.04.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libksba-dev",
            "binary_version": "1.3.0-3ubuntu0.14.04.2+esm2"
        },
        {
            "binary_name": "libksba8",
            "binary_version": "1.3.0-3ubuntu0.14.04.2+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-47629",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libksba

Package

Name
libksba
Purl
pkg:deb/ubuntu/libksba@1.3.3-1ubuntu0.16.04.1+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.3.3-1ubuntu0.16.04.1+esm2

Affected versions

1.*

1.3.3-1
1.3.3-1ubuntu0.16.04.1
1.3.3-1ubuntu0.16.04.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libksba-dev",
            "binary_version": "1.3.3-1ubuntu0.16.04.1+esm2"
        },
        {
            "binary_name": "libksba8",
            "binary_version": "1.3.3-1ubuntu0.16.04.1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2022-47629",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}