CVE-2021-45957
- EPSS 0.05%
- Published 01.01.2022 00:15:08
- Last modified 21.11.2024 06:33:21
Dnsmasq 2.86 has a heap-based buffer overflow in answer_request (called from FuzzAnswerTheRequest and fuzz_rfc1035.c). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of ou...
CVE-2021-3448
- EPSS 0.03%
- Published 08.04.2021 23:15:12
- Last modified 21.11.2024 06:21:32
A flaw was found in dnsmasq in versions before 2.85. When configured to use a specific server for a given network interface, dnsmasq uses a fixed port while forwarding queries. An attacker on the network, able to find the outgoing port used by dnsmas...
CVE-2020-25687
- EPSS 40.15%
- Published 20.01.2021 17:15:13
- Last modified 21.11.2024 05:18:28
A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in dnsmasq when DNSSEC is enabled and before it validates the received DNS entries. This flaw allows a remote attacker, who can create valid DNS replies, to ...
CVE-2020-25686
- EPSS 1.21%
- Published 20.01.2021 17:15:13
- Last modified 21.11.2024 05:18:28
A flaw was found in dnsmasq before version 2.83. When receiving a query, dnsmasq does not check for an existing pending request for the same name and forwards a new request. By default, a maximum of 150 pending queries can be sent to upstream servers...
CVE-2020-25682
- EPSS 38.49%
- Published 20.01.2021 17:15:12
- Last modified 21.11.2024 05:18:27
A flaw was found in dnsmasq before 2.83. A buffer overflow vulnerability was discovered in the way dnsmasq extract names from DNS packets before validating them with DNSSEC data. An attacker on the network, who can create valid DNS replies, could use...
CVE-2020-25681
- EPSS 44.07%
- Published 20.01.2021 17:15:12
- Last modified 21.11.2024 05:18:26
A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in the way RRSets are sorted before validating with DNSSEC data. An attacker on the network, who can forge DNS replies such as that they are accepted as vali...
CVE-2020-25683
- EPSS 51.24%
- Published 20.01.2021 16:15:14
- Last modified 21.11.2024 05:18:27
A flaw was found in dnsmasq before version 2.83. A heap-based buffer overflow was discovered in dnsmasq when DNSSEC is enabled and before it validates the received DNS entries. A remote attacker, who can create valid DNS replies, could use this flaw ...
CVE-2020-25685
- EPSS 0.87%
- Published 20.01.2021 16:15:14
- Last modified 21.11.2024 05:18:27
A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in forward.c:reply_query(), which is the forwarded query that matches the reply, by only using a weak hash of the query name. Due to the weak...
CVE-2020-25684
- EPSS 0.99%
- Published 20.01.2021 16:15:14
- Last modified 21.11.2024 05:18:27
A flaw was found in dnsmasq before version 2.83. When getting a reply from a forwarded query, dnsmasq checks in the forward.c:reply_query() if the reply destination address/port is used by the pending forwarded queries. However, it does not use the a...
CVE-2019-14834
- EPSS 0.06%
- Published 07.01.2020 17:15:10
- Last modified 21.11.2024 04:27:27
A vulnerability was found in dnsmasq before version 2.81, where the memory leak allows remote attackers to cause a denial of service (memory consumption) via vectors involving DHCP response creation.