CVE-2022-23486: high-severity vulnerability in libp2p rust-libp2p
libp2p-rust denial of service vulnerability from lack of resource management
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.7%
libp2p-rust is the official rust language Implementation of the libp2p networking stack. In versions prior to 0.45.1 an attacker node can cause a victim node to allocate a large number of small memory chunks, which can ultimately lead to the victim’s process running out of memory and thus getting killed by its operating system. When executed continuously, this can lead to a denial of service attack, especially relevant on a larger scale when run against more than one node of a libp2p based network. Users are advised to upgrade to `libp2p` `v0.45.1` or above. Users unable to upgrade should reference the DoS Mitigation page for more information on how to incorporate mitigation strategies, monitor their application, and respond to attacks: https://docs.libp2p.io/reference/dos-mitigation/.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
libp2p · rust-libp2pRelated CVEs — libp2p rust-libp2p
In the same product, most dangerous first.
CVE-2026-33040HIGHlibp2p-rust: Gossipsub PRUNE.backoff Duration OverflowEPSS 0.6%CVE-2026-34219HIGHlibp2p-gossipsub: Gossipsub PRUNE Backoff Heartbeat Instant OverflowEPSS 0.6%CVE-2026-35405HIGHlibp2p-rendezvous: Unlimited namespace registrations per peer enables OOM DoS on rendezvous serversEPSS 0.4%CVE-2026-35457HIGHlibp2p-rust has unbounded rendezvous DISCOVER cookies enable remote memory exhaustionEPSS 0.3%CVE-2026-95859HIGHlibp2p-rust: Gossipsub GRAFT topics unbounded growthEPSS 0.3%CVE-2026-61544HIGHlibp2p-quic: Remote panic via certificate expiry race during QUIC handshakeEPSS 0.3%