A malicious client can send many DNS messages over TCP, potentially causing the server to become unstable while the attack is in progress. The server may recover after the attack ceases. Use of ACLs will not mitigate the attack. This issue affects BIND 9 versions 9.18.1 through 9.18.27, 9.19.0 through 9.19.24, and 9.18.11-S1 through 9.18.27-S1.
{ "binaries": [ { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-server-ldap" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "bind9" }, { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "bind9-dnsutils" }, { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "bind9-host" }, { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "bind9-libs" }, { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "bind9-utils" }, { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "bind9utils" }, { "binary_version": "1:9.18.28-0ubuntu0.20.04.1", "binary_name": "dnsutils" } ] }
{ "binaries": [ { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libbind-dev" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libbind-export-dev" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libbind9-161" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libdns-export1109" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libdns1109" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libirs-export161" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libirs161" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libisc-export1105" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libisc1105" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libisccc-export161" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libisccc161" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libisccfg-export163" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "libisccfg163" }, { "binary_version": "1:9.11.16+dfsg-3~ubuntu1", "binary_name": "liblwres161" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9-dev" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9-dnsutils" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9-host" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9-libs" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9-utils" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "bind9utils" }, { "binary_version": "1:9.18.28-0ubuntu0.22.04.1", "binary_name": "dnsutils" } ] }
{ "binaries": [ { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libbind-dev" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libbind-export-dev" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libbind9-161" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libdns-export1110" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libdns1110" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libirs-export161" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libirs161" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libisc-export1105" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libisc1105" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libisccc-export161" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libisccc161" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libisccfg-export163" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "libisccfg163" }, { "binary_version": "1:9.11.19+dfsg-2.1ubuntu3", "binary_name": "liblwres161" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9-dev" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9-dnsutils" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9-host" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9-libs" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9-utils" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "bind9utils" }, { "binary_version": "1:9.18.28-0ubuntu0.24.04.1", "binary_name": "dnsutils" } ] }
{ "binaries": [ { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-keama" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-server-ldap" } ] }
{ "binaries": [ { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-keama" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.4.3-P1-4ubuntu2", "binary_name": "isc-dhcp-server-ldap" } ] }