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USN-4791-1: Apache Tomcat 7 vulnerabilities

15 March 2021

Several security issues were fixed in Apache Tomcat 7.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

Details

It was discovered that Apache Tomcat 7 did not protect applications from the
presence of untrusted client data in an environment variable. A remote
attacker could possible use this vulnerability to redirect the traffic to an
arbitrary proxy and obtain sensitive information. (CVE-2016-5388)

It was discovered that Apache Tomcat 7 mishandled specially crafted input.
An attacker could use this vulnerability to cause a denial of service.
(CVE-2018-1336)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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

Related notices

  • USN-3177-1: tomcat8, tomcat7-examples, tomcat8-admin, tomcat7, tomcat8-docs, tomcat7-common, tomcat6, tomcat7-user, tomcat8-user, libservlet3.1-java, libservlet3.0-java-doc, tomcat7-docs, tomcat8-common, tomcat7-admin, libtomcat8-java, libservlet3.0-java, tomcat8-examples, libservlet3.1-java-doc, libtomcat7-java, libtomcat6-java
  • USN-3723-1: tomcat7-common, tomcat8, libservlet3.0-java-doc, tomcat7-docs, tomcat8-common, tomcat7-admin, libtomcat8-java, libservlet3.0-java, tomcat7-examples, tomcat8-examples, tomcat8-user, libservlet3.1-java-doc, tomcat8-admin, tomcat7, libtomcat7-java, tomcat8-docs, libservlet3.1-java, tomcat7-user