{"apiVersion":"1.0","identifier":"CVE-2026-77384","description":"libp2p is a JavaScript implementation of the libp2p networking stack. Prior to version 4.2.9, the reservation refresh path in reservation-store.ts reuses the same retimeableSignal but unconditionally registers another abort listener on every refresh. As a result, a remote peer can repeatedly send valid RESERVE requests for the same reservation, causing unbounded listener and closure growth in @libp2p/circuit-relay-v2 relay servers and leading to denial of service. This issue is fixed in version 4.2.9.","publishedAt":"2026-08-24T22:17:19","lastModifiedAt":"2026-08-25T19:16:54","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77384","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","epssProbability":0.00339,"riskScore":0.77,"affectedProduct":"@libp2p/circuit-relay-v2","affectedVersions":"<4.2.9","vulnerabilityType":"Library","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-77384","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-77384","en":"https://www.redsauce.net/en/cves/CVE-2026-77384","fr":"https://www.redsauce.net/fr/cves/CVE-2026-77384","pt":"https://www.redsauce.net/pt/cves/CVE-2026-77384","de":"https://www.redsauce.net/de/cves/CVE-2026-77384","sk":"https://www.redsauce.net/sk/cves/CVE-2026-77384","el":"https://www.redsauce.net/el/cves/CVE-2026-77384"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-77384"}}