{"id":"CVE-2026-89146","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-89146","summary":"libp2p-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…","details":"libp2p-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.","published":"2026-09-11T11:16:57.867","modified":"2026-09-11T11:16:57.867","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://docs.rs/crate/libp2p-rendezvous/0.17.1/source/src/client.rs"},{"type":"WEB","url":"https://gist.github.com/thesmartshadow/25ef03f7ebbd12118a9d27695c885989"},{"type":"WEB","url":"https://github.com/libp2p/rust-libp2p"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/libp2p-rendezvous-through-0.17.1-denial-of-service-via-unbounded-registration-ttl-in-discovery-responses"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-11T11:16:57.867"}}