A shiro security update has been released for Debian GNU/Linux 8 LTS to address a path-traversal issue in Apache Shiro.

DLA 2181-1: shiro security update

Package : shiro
Version : 1.2.3-1+deb8u1
CVE ID : CVE-2020-1957
Debian Bug : #955018

It was discovered that there was a path-traversal issue in Apache
Shiro, a security framework for the Java programming language. A
specially-crafted request could cause an authentication bypass.

For Debian 8 "Jessie", this issue has been fixed in shiro version
1.2.3-1+deb8u1.

We recommend that you upgrade your shiro packages.

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