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Security Advisory

USN-5906-1: PostgreSQL vulnerability




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 22.04


Jacob Champion discovered that the PostgreSQL client incorrectly handled Kerberos authentication. If a user or automated system were tricked into connecting to a malicious server, a remote attacker could possibly use this issue to obtain sensitive information. Update Instructions: Run `sudo pro fix USN-5906-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: postgresql-server-dev-12 – 12.14-0ubuntu0.20.04.1 libecpg-dev – 12.14-0ubuntu0.20.04.1 libecpg6 – 12.14-0ubuntu0.20.04.1 libpq-dev – 12.14-0ubuntu0.20.04.1 libpgtypes3 – 12.14-0ubuntu0.20.04.1 postgresql-plperl-12 – 12.14-0ubuntu0.20.04.1 postgresql-pltcl-12 – 12.14-0ubuntu0.20.04.1 postgresql-plpython3-12 – 12.14-0ubuntu0.20.04.1 libpq5 – 12.14-0ubuntu0.20.04.1 postgresql-doc-12 – 12.14-0ubuntu0.20.04.1 postgresql-12 – 12.14-0ubuntu0.20.04.1 postgresql-client-12 – 12.14-0ubuntu0.20.04.1 libecpg-compat3 – 12.14-0ubuntu0.20.04.1 No subscription required

CVEs contained in this USN include: CVE-2022-41862.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs4
    • All versions prior to 0.70.0


Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • cflinuxfs4
    • Upgrade all versions to 0.70.0 or greater


2023-03-23: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR