Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.1.15, from 9.0.0-M1 through 9.0.82 and from 8.5.0 through 8.5.95 did not correctly parse HTTP trailer headers. A trailer header that exceeded the header size limit could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy. Users are recommended to upgrade to version 11.0.0-M11 onwards, 10.1.16 onwards, 9.0.83 onwards or 8.5.96 onwards, which fix the issue.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "tomcat10-admin": "10.1.16-1", "tomcat10-user": "10.1.16-1", "tomcat10-common": "10.1.16-1", "tomcat10": "10.1.16-1", "libtomcat10-java": "10.1.16-1", "tomcat10-examples": "10.1.16-1", "tomcat10-docs": "10.1.16-1", "libtomcat10-embed-java": "10.1.16-1" } ] }