Debian DSA-5105-1 Moderate: BIND9 DoS and Cache Poisoning Advisory

Two vulnerabilities were found in the BIND DNS server, which could
result in denial of service or cache poisoning.

For the oldstable distribution (buster), this problem has been fixed
in version 1:9.11.5.P4+dfsg-5.1+deb10u7.

For the stable distribution (bullseye), this problem has been fixed in
version 1:9.16.27-1~deb11u1.

We recommend that you upgrade your bind9 packages.

For the detailed security status of bind9 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/bind9

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/