Fix many crash and memory-safety bugs found via OSS-Fuzz
and TALOS, including the following security issues:
CVE-2022-37331 (boo#1217676), CVE-2022-41793, CVE-2022-42885,
CVE-2022-43467, CVE-2022-43607, CVE-2022-44451,
CVE-2022-46280, CVE-2022-46289, CVE-2022-46290,
CVE-2022-46291, CVE-2022-46292, CVE-2022-46294,
CVE-2022-46295, CVE-2025-10994, CVE-2025-10995,
CVE-2025-10996, CVE-2025-10997, CVE-2025-10998,
CVE-2025-10999, CVE-2025-11000,
CVE-2026-2704 (boo#1258501), CVE-2026-2705 (boo#1258507) and
CVE-2026-3408 (boo#1259041)