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USN-3723-1: Tomcat vulnerabilities

25 July 2018

Several security issues were fixed in Tomcat.

Releases

Packages

Details

It was discovered that Tomcat incorrectly handled decoding certain
UTF-8 strings. A remote attacker could possibly use this issue to cause
Tomcat to crash, resulting in a denial of service. (CVE-2018-1336)

It was discovered that the Tomcat WebSocket client incorrectly performed
hostname verification. A remote attacker could possibly use this issue to
intercept sensitive information. (CVE-2018-8034)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04
Ubuntu 14.04

In general, a standard system update will make all the necessary changes.