UBUNTU-CVE-2021-4076

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Source
https://ubuntu.com/security/CVE-2021-4076
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4076.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-4076
Upstream
Withdrawn
2025-07-18T16:46:32Z
Published
2022-03-02T23:15:00Z
Modified
2025-07-16T08:26:57.128679Z
Severity
  • 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
  • Ubuntu - medium
Summary
[none]
Details

A flaw exists in tang, a network-based cryptographic binding server, which could result in leak of private keys.

References

Affected packages

Ubuntu:22.04:LTS / tang

Package

Name
tang
Purl
pkg:deb/ubuntu/tang@11-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
11-1

Affected versions

Other

8-3
10-3
10-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "11-1",
            "binary_name": "tang"
        },
        {
            "binary_version": "11-1",
            "binary_name": "tang-common"
        },
        {
            "binary_version": "11-1",
            "binary_name": "tang-common-dbgsym"
        },
        {
            "binary_version": "11-1",
            "binary_name": "tang-xinetd"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4076.json"