------------------------------------------------------------------------- Debian LTS Advisory DLA-4468-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Markus Koschany February 05, 2026 https://wiki.debian.org/LTS ------------------------------------------------------------------------- Package : tomcat9 Version : 9.0.107-0+deb11u2 CVE ID : CVE-2025-55752 CVE-2025-55754 CVE-2025-61795 Several security vulnerabilities have been found in Tomcat 9, a Java web server and servlet engine. The update corrects various flaws which can lead to a bypass of security constraints or a denial of service. In addition it fixes a regression that prevented tomcat's start script from detecting installations of OpenJDK 17. For Debian 11 bullseye, these problems have been fixed in version 9.0.107-0+deb11u2. We recommend that you upgrade your tomcat9 packages. For the detailed security status of tomcat9 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/tomcat9 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
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