CVE-2026-89146
libp2p-rendezvous through 0.17.1 Denial of Service via Unbounded Registration TTL in Discovery Responses
CVSS 3.1 7.5 HIGHCVSS 4.0 8.7 HIGHCheck source for fixed versionsKEV status unknown
cve-program · CVE-2026-89146
Publishedlibp2p-rendezvous through 0.17.1 fails to validate registration TTL values in discovery responses, allowing attackers to trigger timer arithmetic overflow. A malicious rendezvous server can send a discovery response with an unbounded TTL value that causes the client node process to panic when computing the expiry timer.
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CVE-2026-89146 · CVE overview and exploitation status
cve-program · CVE-2026-89146
- https://gist.github.com/thesmartshadow/25ef03f7ebbd12118a9d27695c885989
- https://docs.rs/crate/libp2p-rendezvous/0.17.1/source/src/client.rs
- https://github.com/libp2p/rust-libp2p
- https://www.vulncheck.com/advisories/libp2p-rendezvous-through-0.17.1-denial-of-service-via-unbounded-registration-ttl-in-discovery-responses
Related changes
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