CVE-2023-5870

Name of the Vulnerable Software and Affected Versions PostgreSQL (affected versions not specified)

Description The issue is related to the pg signal backend role in PostgreSQL, which allows signaling certain superuser processes. This can be exploited by a remote high-privileged user to launch a denial of service (DoS) attack, affecting specific background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.