CVE-2026-34219

libp2p-rust is the official rust language Implementation of the libp2p networking stack. Prior to version 0.49.4, the Rust libp2p Gossipsub implementation contains a remotely reachable panic in backoff expiry handling. After a peer sends a crafted PRUNE control message with an attacker-controlled...

CVE-2026-33040: Integer Overflow or Wraparound

libp2p-rust is the official rust language Implementation of the libp2p networking stack. In versions prior to 0.49.3, the Gossipsub implementation accepts attacker-controlled PRUNE backoff values and may perform unchecked time arithmetic when storing backoff state. A specially crafted PRUNE contr...

PT-2026-26181

Name of the Vulnerable Software and Affected Versions libp2p-rust versions prior to 0.49.3 Description The libp2p-rust Gossipsub implementation is susceptible to a remote, unauthenticated denial-of-service condition. The implementation accepts attacker-controlled PRUNE backoff values and performs...