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Ubuntu 18.04 LTS USN-6538-2: PostgreSQL Moderate Security Update

ubuntu
Calendar Grey January 17, 2024
Dist Ubuntu Esm H88
Improvements for PostgreSQL issues in Ubuntu 18.04 LTS address significant security concerns and enhance defenses.
Several security issues were fixed in PostgreSQL.

Summary

Several security issues were fixed in PostgreSQL.

Software Description:

- postgresql-10: Object-relational SQL database

Details:

USN-6538-1 fixed several vulnerabilities in PostgreSQL. This update provides

the corresponding updates for Ubuntu 18.04 LTS.

Original advisory details:

Jingzhou Fu discovered that PostgreSQL incorrectly handled certain unknown

arguments in aggregate function calls. A remote attacker could possibly use

this issue to obtain sensitive information. (CVE-2023-5868)

Pedro Gallegos discovered that PostgreSQL incorrectly handled modifying

certain SQL array values. A remote attacker could use this issue to obtain

sensitive information, or possibly execute arbitrary code. (CVE-2023-5869)

Hemanth Sandrana and Mahendrakar Srinivasarao discovered that PostgreSQL

allowed the pg_signal_backend role to signal certain superuser processes,

contrary to expectations. (CVE-2023-5870)

Topics%20covered

Topics Covered

security advisory Ubuntu update instructions PostgreSQL moderate issue sensitive data

Update Instructions

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

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  postgresql-10                   10.23-0ubuntu0.18.04.2+esm1
  postgresql-client-10            10.23-0ubuntu0.18.04.2+esm1

After a standard system update you need to restart PostgreSQL to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-6538-2

https://ubuntu.com/security/notices/USN-6538-1

CVE-2023-5868, CVE-2023-5869, CVE-2023-5870

Ubuntu Security Notice USN-6538-2

Topics%20covered

Topics Covered

security advisory Ubuntu update instructions PostgreSQL moderate issue sensitive data

Package Information

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