This update for tomcat to version 9.0.31 fixes the following issues:
Security issues fixed:
- CVE-2019-10072: Fixed a denial-of-service that could have been caused by clients omitting WINDOW_UPDATE messages in HTTP/2 streams (bsc#1139924). - CVE-2019-12418: Fixed a local privilege escalation by manipulating the RMI registry (bsc#1159723). - CVE-2019-17563: Fixed a session fixation attack when using FORM authentication (bsc#1159729). - CVE-2019-17569: Fixed a regression in the handling of Transfer-Encoding headers that would have allowed HTTP Request Smuggling (bsc#1164825). - CVE-2020-1935: Fixed an HTTP Request Smuggling issue (bsc#1164860). - CVE-2020-1938: Fixed a file contents disclosure vulnerability (bsc#1164692).
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