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Ubuntu 25.10: PostgreSQL Critical Denial of Service Fix USN-7908-1

ubuntu
Calendar Grey December 3, 2025
Dist Ubuntu Esm H88
Multiple security issues fixed in PostgreSQL for Ubuntu 22.04 LTS and derivatives requiring system update.
Several security issues were fixed in PostgreSQL.

Summary

Several security issues were fixed in PostgreSQL.

Software Description:

- postgresql-17: Object-relational SQL database

- postgresql-16: Object-relational SQL database

- postgresql-14: Object-relational SQL database

Details:

Jelte Fennema-Nio discovered that the PostgreSQL CREATE STATISTICS command

did not correctly check for schema CREATE privileges. An authenticated

attacker could possibly use this issue to create a denial of service

against other CREATE STATISTICS users. (CVE-2025-12817)

Aleksey Solovev discovered that the PostgreSQL libpq client library

incorrectly handled certain memory operations. A remote attacker could

possibly use this issue to cause libpq to crash, resulting in a denial of

service. (CVE-2025-12818)

Topics%20covered

Topics Covered

security advisory denial of service update critical Ubuntu PostgreSQL

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
  postgresql-17                   17.7-0ubuntu0.25.10.1

Ubuntu 25.04
  postgresql-17                   17.7-0ubuntu0.25.04.1

Ubuntu 24.04 LTS
  postgresql-16                   16.11-0ubuntu0.24.04.1

Ubuntu 22.04 LTS
  postgresql-14                   14.20-0ubuntu0.22.04.1

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart PostgreSQL to
make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7908-1

CVE-2025-12817, CVE-2025-12818

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7908-1

Topics%20covered

Topics Covered

security advisory denial of service update critical Ubuntu PostgreSQL

Package Information

https://launchpad.net/ubuntu/+source/postgresql-17/17.7-0ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/postgresql-16/16.11-0ubuntu0.24.04.1
https://launchpad.net/ubuntu/+source/postgresql-14/14.20-0ubuntu0.22.04.1

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