Debian Security Advisory

DLA-1491-1 tomcat8 -- LTS security update

Date Reported:
02 Sep 2018
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-1336, CVE-2018-8034.
More information:

Two security issues have been discovered in the Tomcat servlet and JSP engine.

  • CVE-2018-1336

    An improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service.

  • CVE-2018-8034

    The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default.

For Debian 8 Jessie, these problems have been fixed in version 8.0.14-1+deb8u13.

We recommend that you upgrade your tomcat8 packages.

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