Debian Security Advisory

DLA-1859-1 bind9 -- LTS security update

Date Reported:
21 Jul 2019
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-5743.
More information:

A vulnerability was found in the Bind DNS Server. Limits on simultaneous tcp connections have not been enforced correctly and could lead to exhaustion of file descriptors. In the worst case this could affect the file descriptors of the whole system.

For Debian 8 Jessie, this problem has been fixed in version 1:9.9.5.dfsg-9+deb8u18.

We recommend that you upgrade your bind9 packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: