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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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Debian 11 Tomcat9 Important Security Flaws Fix DLA-4468-1 CVE-2025-55752

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.. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4468-1 This email address is being protected from spambots. You need JavaScript enabled to view it. 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/source-package/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 . Critical updates for Debian LTS Tomcat9 enhance security and stability against multiple issues causing service denial.. Tomcat 9 Security Update, Debian LTS, Java Web Server Issues, Security Patching, Service Denial Fixes. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Feb 05, 2026 Important Debian LTS
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[{"id":483,"title":"Self-taught through trial and error","votes":549,"type":"x","order":1,"pct":78.54,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.29,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.86,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.3,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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