CVE-2026-32284

{"id": "CVE-2026-32284", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-03-26T20:16:12.087", "references": [{"url": "https://github.com/golang/vulndb/issues/4513", "source": "security@golang.org"}, {"url": "https://github.com/shamaton/msgpack/issues/59", "source": "security@golang.org"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4513", "source": "security@golang.org"}, {"url": "https://securityinfinity.com/research/shamaton-msgpack-oob-panic-fixext-dos-2026", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "The msgpack decoder fails to properly validate the input buffer length when processing truncated fixext data (format codes 0xd4-0xd8). This can lead to an out-of-bounds read and a runtime panic, allowing a denial of service attack."}, {"lang": "es", "value": "El decodificador msgpack no valida correctamente la longitud del b\u00fafer de entrada al procesar datos fixext truncados (c\u00f3digos de formato 0xd4-0xd8). Esto puede provocar una lectura fuera de l\u00edmites y un p\u00e1nico en tiempo de ejecuci\u00f3n, lo que permite un ataque de denegaci\u00f3n de servicio."}], "lastModified": "2026-03-30T15:16:27.780", "sourceIdentifier": "security@golang.org"}