Debian: DSA-5553-1 Critical PostgreSQL Memory Leak and Buffer Overflows

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.

CVE-2023-39418

Dean Rasheed reported that the MERGE command to enforce UPDATE or
SELECT row security policies.

For the stable distribution (bookworm), these problems have been fixed
in version 15.5-0+deb12u1.

We recommend that you upgrade your postgresql-15 packages.

For the detailed security status of postgresql-1...