unbound: denial of service
| Package(s): | unbound | CVE #(s): | CVE-2011-4528 CVE-2011-4869 | ||||||||||||||||
| Created: | December 23, 2011 | Updated: | December 1, 2013 | ||||||||||||||||
| Description: | From the Debian advisory:
It was discovered that Unbound, a recursive DNS resolver, would crash when processing certain malformed DNS responses from authoritative DNS servers, leading to denial of service. CVE-2011-4528: Unbound attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone. CVE-2011-4869: Unbound does not properly process malformed responses which lack expected NSEC3 records. | ||||||||||||||||||
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