CVE-2026-57080 Net::BitTorrent versions through 2.0.1 for Perl allow remote memory exhaustion via an uncapped peer-wire message-length prefix

Net::BitTorrent versions through 2.0.1 for Perl allow remote memory exhaustion via an uncapped peer-wire message-length prefix. The peer-wire framing in processmessages trusts the 4-byte length prefix sent by a connected peer with no upper bound, while receivedata appends every inbound byte to th...

CVE-2026-57080

Net::BitTorrent versions through 2.0.1 for Perl allow remote memory exhaustion via an uncapped peer-wire message-length prefix. The peer-wire framing in processmessages trusts the 4-byte length prefix sent by a connected peer with no upper bound, while receivedata appends every inbound byte to th...

CVE-2026-57080

Net::BitTorrent (Perl) up to version 2.0.1 is affected by a memory-exhaustion vulnerability caused by an unbounded 4-byte peer-wire message-length prefix in _process_messages. The decoder waits for a full message before processing, allowing the input buffer to grow without limit when a peer annou...