VYPR
Unrated severityNVD Advisory· Published Dec 10, 2023· Updated Mar 2, 2026

Postgresql: role pg_signal_backend can signal certain superuser processes.

CVE-2023-5870

Description

A flaw was found in PostgreSQL involving the pg_cancel_backend role that signals 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 and would affect that specific background worker only. This issue may allow a remote high privileged user to launch a denial of service (DoS) attack.

Affected products

285

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

25

News mentions

0

No linked articles in our index yet.