USN-4468-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Dave Feldman, Jeff Warren, and Joel Cunningham discovered that Bind incorrectly handled certain truncated responses to a TSIG-signed request. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. (CVE-2020-8622)
{ "availability": "No subscription required", "binaries": [ { "lwresd": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "bind9utils": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "bind9": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "libbind-dev": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "host": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "bind9-doc": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "liblwres90": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "libisccfg90": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "libisccc90": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "libdns100": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "libbind9-90": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "bind9-host": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "libisc95": "1:9.9.5.dfsg-3ubuntu0.19+esm3", "dnsutils": "1:9.9.5.dfsg-3ubuntu0.19+esm3" } ] }