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CVE-2023-5870

CVE-2023-5870 · Postgresql: role pg_signal_backend can signal certain superuser processes.

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

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.

CVSS 2.2 · Low · EPSS 2.6% · Fix available

Published
Updated

Stack: system

Affected products and versions

Original sources

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