CVE-2025-30403

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "mvfst", "vendor": "Facebook", "versions": [{"lessThan": "v2025.07.07.00", "status": "affected", "version": "v2025.03.24.00", "versionType": "semver"}]}], "source": "cve-assign@fb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A heap-buffer-overflow vulnerability is possible in mvfst via a specially crafted message during a QUIC session. This issue affects mvfst versions prior to v2025.07.07.00."}, {"lang": "es", "value": "Es posible que mvfst presente una vulnerabilidad de desbordamiento del b\u00fafer de pila mediante un mensaje especialmente manipulado durante una sesi\u00f3n QUIC. Este problema afecta a las versiones de mvfst anteriores a la v2025.07.07.00."}], "id": "CVE-2025-30403", "lastModified": "2026-06-17T09:08:39.710", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-30403", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-07-11T19:22:21.366810Z", "version": "2.0.3"}}]}, "published": "2025-07-11T19:15:23.327", "references": [{"source": "cve-assign@fb.com", "url": "https://github.com/facebook/mvfst/commit/65b297332191de6e867c4a3139a233fc84c0e7e0"}, {"source": "cve-assign@fb.com", "url": "https://www.facebook.com/security/advisories/cve-2025-30403"}], "sourceIdentifier": "cve-assign@fb.com", "vulnStatus": "Deferred"}

{}

{"created": "2025-07-13T11:06:10.485419+00:00", "updated": "2025-07-13T11:06:10.485483+00:00", "vendors": ["facebook", "facebook$PRODUCT$mvfst"]}