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Debian 9 Stretch: DLA-2495-1 Moderate: Tomcat8 HTTP Header Leak

It was discovered that Apache Tomcat from 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an . - ----------------------------------------------------------------------- Debian LTS Advisory DLA-2495-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/lts/security/ Utkarsh Gupta December 16, 2020 https://wiki.debian.org/LTS - ----------------------------------------------------------------------- Package : tomcat8 Version : 8.5.54-0+deb9u5 CVE ID : CVE-2020-17527 It was discovered that Apache Tomcat from 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests. For Debian 9 stretch, this problem has been fixed in version 8.5.54-0+deb9u5. 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: https://wiki.debian.org/LTS . Enhance your Tomcat8 installations in Debian 9 Stretch to resolve an HTTP/2 vulnerability that could allow unintended information exposure.. Debian Stretch, Tomcat8 Update, HTTP/2 Security Fix. . LinuxSecurity.com Team

Dec 16, 2020 Debian LTS