QID 198391

Date Published: 2021-06-07

QID 198391: Ubuntu Security Notification for PostgreSQL vulnerabilities (USN-4972-1)

Postgresql incorrect handled certain array subscripting calculations.
Postgresql incorrect handled certain insert.
Postgresql incorrect handled certain update.

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.

an authenticated attacker could possibly use this issue to overwrite server memory and escalate privileges.
(cve-2021-32027)... on conflict ... do update commands.
A remote attacker could possibly use this issue to read server memory and obtain sensitive information. (
cve-2021-32028)... returning commands.
A remote attacker could possibly use this issue to read server memory and obtain sensitive information.
This issue only affected ubuntu 20.04 lts, ubuntu 20.10, and ubuntu 21.04. (
cve-2021-32029).

  • CVSS V3 rated as Medium - 4.2 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Refer to Ubuntu advisory: USN-4972-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198391

    Software Advisories
    Advisory ID Software Component Link
    USN-4972-1 Ubuntu Linux URL Logo usn.ubuntu.com/4972-1