Debian DSA-5554-1 Critical: PostgreSQL SQL Injection Threat

CVE-2023-5868

Jingzhou Fu discovered a memory disclosure flaw in aggregate
function calls.

CVE-2023-5869

Pedro Gallegos reported integer overflow flaws resulting in buffer
overflows in the array modification functions.

CVE-2023-5870

Hemanth Sandrana and Mahendrakar Srinivasarao reported that the
pg_cancel_backend role can signal certain superuser processes,
potentially resulting in denial of service.

CVE-2023-39417

Micah Gate, Valerie Woolard, Tim Carey-Smith, and Christoph Berg
reported that an extension script using @substitutions@ within
quoting may allow to perform an SQL injection for an attacker having
database-level CREATE privileges.

For the oldstable distribution (bullseye), these problems have been
fixed in version 13.13-0+deb11u1.

We recommend that you upgrade your postgresql-13 packages.

For the detailed security status of postgresql-13 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/postgre...