GHSA-2WRX-84QJ-4PCG anacrolix torrent has unbounded recursion in the bencode decoder that causes stack-overflow crash and CPU-exhaustion DoS

Summary anacrolix/torrent's bencode decoder bencode/ applies no limit on the nesting depth of nested dictionaries and lists. Two distinct denial-of-service mechanisms follow from that single root cause, both reachable from a single crafted .torrent file or from metadata obtained from a peer on a...