The vulnerability of the mbuf_get_bytes() and mbuf_get_chars() functions in PostgreSQL PgBouncer’s connection pool allows a hacker to cause a service failure.

The vulnerability of the mbufgetbytes and mbufgetchars functions in PostgreSQL’s PgBouncer connection pool lies in integer overflow. Exploiting this vulnerability could allow a malicious actor to cause a service failure by sending a specially crafted authentication packet called SCRAM...