QID 198458

Date Published: 2021-08-19

QID 198458: Ubuntu Security Notification for PostgreSQL vulnerabilities (USN-5038-1)

The postgresql planner could create incorrect plans in certain circumstances.
Postgresql incorrectly handled certain ssl renegotiation clienthello messages from clients.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a remote attacker could use this issue to cause postgresql to crash, resulting in a denial of service, or possibly obtain sensitive information from memory.
This issue only affected ubuntu 20.04 lts and ubuntu 21.04. (
Cve-2021-3677).
A remote attacker could possibly use this issue to cause postgresql to crash, resulting in a denial of service. (
Cve-2021-3449).

  • CVSS V3 rated as Medium - 5.9 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Refer to Ubuntu advisory: USN-5038-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198458

    CVE-2021-3677 | CVE-2021-3449 |
    Software Advisories
    Advisory ID Software Component Link
    USN-5038-1 Ubuntu Linux URL Logo usn.ubuntu.com/5038-1
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