Today ISC disclosed a vulnerability in our BIND software.
Information about the vulnerability can be found in the ISC Knowledge
CVE-2019-6471: A race condition when discarding malformed
packets can cause BIND to exit with an assertion failure
New maintenance releases of BIND released today contain the fix
for the vulnerability along with other bug fixes and feature
improvements. They may be downloaded from the ISC web site's
download page (https://www.isc.org/downloads)
With the public disclosure of these vulnerabilities, parties which
had been given advance notice concerning them are released from
non-disclosure and packagers and redistributors are encouraged to
publish updated packages containing fixes.