CVE-2025-29908

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{"affected": [{"affectedData": [{"product": "netty-incubator-codec-quic", "vendor": "netty", "versions": [{"status": "affected", "version": "< 0.0.71.Final"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Netty QUIC codec is a QUIC codec for netty which makes use of quiche. An issue was discovered in the codec. A hash collision vulnerability (in the hash map used to manage connections) allows remote attackers to cause a considerable CPU load on the server (a Hash DoS attack) by initiating connections with colliding Source Connection IDs (SCIDs). This vulnerability is fixed in 0.0.71.Final."}, {"lang": "es", "value": "Netty QUIC codec es un codec QUIC para Netty que utiliza quiche. Se descubri\u00f3 un problema en el codec. Una vulnerabilidad de colisi\u00f3n de hash (en el mapa hash utilizado para gestionar las conexiones) permite a atacantes remotos causar una carga considerable de CPU en el servidor (un ataque de denegaci\u00f3n de servicio por hash) al iniciar conexiones con ID de conexi\u00f3n de origen (SCID) en conflicto. Esta vulnerabilidad se corrigi\u00f3 en la versi\u00f3n 0.0.71.Final."}], "id": "CVE-2025-29908", "lastModified": "2026-06-17T09:05:51.863", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-29908", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-03-31T21:07:44.688537Z", "version": "2.0.3"}}]}, "published": "2025-03-31T19:15:40.367", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ncc-pbottine/QUIC-Hash-Dos-Advisory"}, {"source": "security-advisories@github.com", "url": "https://github.com/netty/netty-incubator-codec-quic/commit/e059bd9b78723f8b035e0c547e42ce263f03461c"}, {"source": "security-advisories@github.com", "url": "https://github.com/netty/netty-incubator-codec-quic/security/advisories/GHSA-hqqc-jr88-p6x2"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-407"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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