Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Stack buffer overflow in PostgreSQL argument name matching allows an object creator to achieve unknown impacts via OUT parameter count.  The attack can write only 0x0 and 0x1 bytes.  Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.