OSV-2021-120 Heap-use-after-free in UA_SecureChannel_deleteMembersCleanup

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5652 Crash type: Heap-use-after-free READ 8 Crash state: UASecureChanneldeleteMembersCleanup UASecureChannelManagerdeleteMembers UAServerdelete...