Debian Security Advisory

DLA-2764-1 tomcat8 -- LTS security update

Date Reported:
23 Sep 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-41079.
More information:

Apache Tomcat did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.

For Debian 9 stretch, this problem has been fixed in version 8.5.54-0+deb9u8.

We recommend that you upgrade your tomcat8 packages.

For the detailed security status of tomcat8 please refer to its security tracker page at:

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