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Description Validating, recursive, and caching DNS resolver
Version 1.19.0-1 [extra]


Group Affected Fixed Severity Status Ticket
AVG-1326 1.12.0-1 1.13.0-1 Low Fixed
AVG-1164 1.10.0-2 1.10.1-1 High Fixed
AVG-1042 1.9.3-4 1.9.4-1 High Fixed
Issue Group Severity Remote Type Description
CVE-2020-28935 AVG-1326 Low No Denial of service
NLnet Labs Unbound, up to and including version 1.12.0, and NLnet Labs NSD, up to and including version 4.3.3, contain a local vulnerability that would...
CVE-2020-12663 AVG-1164 High Yes Denial of service
A security issue has been found in Unbound before, in the parser of received answers. Malformed answers received from upstream servers can result in...
CVE-2020-12662 AVG-1164 High Yes Denial of service
An issue has been found in unbound before 1.10.1, that makes it possible to have a single incoming query result in a large number of outgoing queries. This...
CVE-2019-16866 AVG-1042 High Yes Denial of service
Due to an error in parsing NOTIFY queries, it is possible for Unbound from 1.7.1 up to and including 1.9.3 to continue processing malformed queries and may...


Date Advisory Group Severity Type
09 Dec 2020 ASA-202012-17 AVG-1326 Low denial of service
20 May 2020 ASA-202005-14 AVG-1164 High denial of service
11 Oct 2019 ASA-201910-6 AVG-1042 High denial of service