RHSA-2021:0882 — Security Advisory
Red Hat Security Advisory: tomcat security update
Severity
LowRed Hat Product Security
Products
Official CSAF product identity
Published · March 17, 2021
Updated · November 2, 2026
Topic
An update for tomcat is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.
Security Fix(es):
-
tomcat: Session fixation when using FORM authentication (CVE-2019-17563)
-
tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling (CVE-2020-1935)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.