This update for postgresql15 fixes the following issues:
Update to version 15.16.
Security issues fixed:
- CVE-2026-2003: improper validation of type 'oidvector' may allow disclose a few bytes of server memory (bsc#1258008).
- CVE-2026-2004: intarray missing validation of type of input to selectivity estimator could lead to arbitrary code execution (bsc#1258009).
- CVE-2026-2005: buffer overrun in contrib/pgcrypto's PGP decryption functions could lead to arbitrary code execution (bsc#1258010).
- CVE-2026-2006: inadequate validation of multibyte character lengths could lead to arbitrary code execution (bsc#1258011).