OSV-2025-132 Heap-use-after-free in netsnmp_hex_to_binary

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=396777457 Crash type: Heap-use-after-free READ 1 Crash state: netsnmphextobinary snmpv3parsearg netsnmpparseargs...