CVE-2026-23750: Heap-based Buffer Overflow

Golioth Pouch version 0.1.0, prior to commit 1b2219a1, contains a heap-based buffer overflow in BLE GATT server certificate handling. servercertwrite allocates a heap buffer of size CONFIGPOUCHSERVERCERTMAXLEN when receiving the first fragment, then appends subsequent fragments using memcpy witho...