CVE-2026-33040 libp2p-rust: Gossipsub PRUNE.backoff Duration Overflow

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...

CVE-2026-33040

The CVE concerns libp2p-rust Gossipsub: prior to version 0.49.3, the Gossipsub backoff handling accepts attacker-controlled PRUNE backoff values, enabling unchecked time arithmetic that can overflow when updating backoff state. A crafted PRUNE message with a very large backoff (e.g., u64::MAX) ca...

CVE-2026-33040

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...

CVE-2026-33040 libp2p-rust: Gossipsub PRUNE.backoff Duration Overflow

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...

rust-libp2p 输入验证错误漏洞

rust-libp2p is a Rust implementation of the libp2p open-source network stack. Prior to version 0.49.3, rust-libp2p had a vulnerability related to input validation errors. This vulnerability stemmed from the Gossipsub implementation accepting PRUNE evolutions controlled by attackers and potentiall...

CVE-2026-33040

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...

Gossipsub PRUNE.backoff Duration Overflow

Summary The Rust libp2p Gossipsub implementation accepts attacker-controlled PRUNE backoff values and may perform unchecked time arithmetic when storing backoff state. A specially crafted PRUNE control message with an extremely large backoff e.g. u64::MAX can lead to Duration/Instant overflow...

GHSA-GC42-3JG7-RXR2 Gossipsub PRUNE.backoff Duration Overflow

Summary The Rust libp2p Gossipsub implementation accepts attacker-controlled PRUNE backoff values and may perform unchecked time arithmetic when storing backoff state. A specially crafted PRUNE control message with an extremely large backoff e.g. u64::MAX can lead to Duration/Instant overflow...

blake-streams (0.1.0), fuel-p2p (>=0.4.0, <=0.5.0) +9 more potentially affected by CVE-2026-33040 via libp2p-gossipsub (>=0.28.0, <=0.35.0)

libp2p-gossipsub CARGO version =0.28.0, =0.4.0, =0.20.0, =0.36.0, =0.16.0, =0.1.0, =0.1.1, =0.2.0, =0.39.1, =0.39.3 Source cves: CVE-2026-33040 Source advisory: OSV:GHSA-GC42-3JG7-RXR2...

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...

CVE-2020-12821

Gossipsub 1.0 does not properly resist invalid message spam, such as an eclipse attack or a sybil attack...

EUVD-2020-5104

Malware in sbrugna...

EUVD-2022-50308

Malicious code in bioql PyPI...

CVE-2022-47547

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score and thus not be pruned from the network even though it continuously misbehaves by never forwarding topic messages...

CVE-2022-47547

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score and thus not be pruned from the network even though it continuously misbehaves by never forwarding topic messages...

CVE-2022-47547

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score and thus not be pruned from the network even though it continuously misbehaves by never forwarding topic messages...

Code injection

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score and thus not be pruned from the network even though it continuously misbehaves by never forwarding topic messages...

CVE-2022-47547

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score and thus not be pruned from the network even though it continuously misbehaves by never forwarding topic messages...

CVE-2022-47547

GossipSub 1.1 (used in Ethereum 2.0) contains a vulnerability where a peer can continuously misbehave by not forwarding topic messages, yet maintain a positive score and avoid pruning. Root cause appears to be the peer scoring/penalty mechanism allowing misbehaving peers to stay in the network. D...

GossipSub 安全漏洞

Gossipsub is an extensible benchmark pubsub protocol based on randomized topic grids and Gossip. GossipSub version 1.1 suffers from a security vulnerability that stems from allowing a peer to maintain a positive score even though it continually misbehaves by never forwarding topic messages...