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Critical 1 exploited CVE DSA-4673-1 3 CVEs

tomcat8 - security update

Published May 3, 2020 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 9 tomcat8 8.5.54-0+deb9u1

Vulnerabilities 3

  • Critical 9.8
    CVE-2020-1938 Exploited Public exploit Scanner template EPSS 99%

    Improper Privilege Management in Tomcat

    When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an atta…

    Apache Apache Tomcat tomcat8 tomcat9 Debian Ubuntu Maven
    KEV Mar 3, 2022
  • Medium 4.8
    CVE-2019-17569

    Potential HTTP request smuggling in Apache Tomcat

    The refactoring present in Apache Tomcat 9.0.28 to 9.0.30, 8.5.48 to 8.5.50 and 7.0.98 to 7.0.99 introduced a regression. The result of the regression was that invalid Transfer-Encoding headers were incorrectly processed leading to a possibility of HTTP Reque…

    Apache Apache Tomcat org.apache.tomcat:tomcat tomcat9 Debian Maven
  • Medium 4.8
    CVE-2020-1935

    Potential HTTP request smuggling in Apache Tomcat

    In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if …

    Apache Apache Tomcat org.apache.tomcat:tomcat tomcat9 Debian Ubuntu Maven