USN-4236-2

Source
https://ubuntu.com/security/notices/USN-4236-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4236-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4236-2
Upstream
Related
Published
2020-01-14T13:00:37.647269Z
Modified
2025-10-13T04:35:02Z
Summary
libgcrypt20 vulnerability
Details

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS.

Original advisory details:

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.

References

Affected packages

Ubuntu:16.04:LTS / libgcrypt20

Package

Name
libgcrypt20
Purl
pkg:deb/ubuntu/libgcrypt20@1.6.5-2ubuntu0.6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.5-2ubuntu0.6

Affected versions

1.*

1.6.3-2ubuntu1
1.6.4-3
1.6.4-4
1.6.4-5
1.6.5-2
1.6.5-2ubuntu0.2
1.6.5-2ubuntu0.3
1.6.5-2ubuntu0.4
1.6.5-2ubuntu0.5

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libgcrypt11-dev",
            "binary_version": "1.5.4-3+really1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20",
            "binary_version": "1.6.5-2ubuntu0.6"
        },
        {
            "binary_name": "libgcrypt20-dev",
            "binary_version": "1.6.5-2ubuntu0.6"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2019-13627"
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}