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CVE-2021-45952

Medium priority
Ignored

Dnsmasq 2.86 has a heap-based buffer overflow in dhcp_reply (called from dhcp_packet and FuzzDhcp). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent real vulnerabilities, to the best of...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Not affected Not affected Not affected
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CVE-2021-45951

Medium priority
Ignored

Dnsmasq 2.86 has a heap-based buffer overflow in check_bad_address (called from check_for_bogus_wildcard and FuzzCheckForBogusWildcard). NOTE: the vendor's position is that CVE-2021-45951 through CVE-2021-45957 "do not represent...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Not affected Not affected Not affected
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CVE-2021-3448

Low priority

Some fixes available 13 of 14

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...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25687

Medium priority
Fixed

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...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25686

Medium priority

Some fixes available 13 of 14

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...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25685

Medium priority

Some fixes available 13 of 14

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...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25684

Medium priority

Some fixes available 13 of 14

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,...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25683

Medium priority

Some fixes available 13 of 14

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,...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25682

Medium priority
Fixed

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...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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CVE-2020-25681

Medium priority
Fixed

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...

1 affected package

dnsmasq

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
dnsmasq Fixed Fixed Fixed Fixed
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