Unbound DNS Server Denial of Service Vulnerability

CVE-2011-4528 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response.

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