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OpenAdvisories
High RHSA-2020:4004 2 CVEs

Red Hat Security Advisory: tomcat security and bug fix update

Published Sep 16, 2024 · Updated Aug 5, 2026

Ecosystem: Red Hat

Fixed packages 40

ReleasePackageFixed in
Red Hat · RHEL 7 enterprise_linux:7::client tomcat 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-admin-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-docs-webapp 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-el-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-javadoc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-jsp-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-jsvc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-lib 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-servlet-3.0-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::client tomcat-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-admin-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-docs-webapp 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-el-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-javadoc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-jsp-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-jsvc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-lib 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-servlet-3.0-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::computenode tomcat-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-admin-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-docs-webapp 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-el-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-javadoc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-jsp-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-jsvc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-lib 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-servlet-3.0-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::server tomcat-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-admin-webapps 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-docs-webapp 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-el-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-javadoc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-jsp-2.2-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-jsvc 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-lib 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-servlet-3.0-api 0:7.0.76-15.el7
Red Hat · RHEL 7 enterprise_linux:7::workstation tomcat-webapps 0:7.0.76-15.el7

Vulnerabilities 2

  • High 7.5
    CVE-2019-17563 EPSS 11%

    In Apache Tomcat, when using FORM authentication there was a narrow window where an attacker could perform a session fixation attack

    When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical …

    Apache Software Foundation Apache Tomcat tomcat8 tomcat9 Debian Ubuntu Maven
  • High 7.5
    CVE-2020-13935 Public exploit EPSS 87%

    Infinite Loop in Apache Tomcat

    The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payl…

    org.apache.tomcat:tomcat tomcat9 tomcat8 tomcat9 Debian Ubuntu Maven

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • article
    https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1523112
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1629162
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1785711
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1795645
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1822453
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1831127
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1857024
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2020/rhsa-2020_4004.json
  • report
    https://access.redhat.com/security/cve/CVE-2019-17563
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2019-17563
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2019-17563
  • article
    http://mail-archives.apache.org/mod_mbox/www-announce/201912.mbox/%3C21b7a375-7297-581b-1f8e-06622d36775b@apache.org%3E
  • article
    http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.30
  • article
    https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.99
  • article
    https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.50
  • report
    https://access.redhat.com/security/cve/CVE-2020-13935
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2020-13935
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2020-13935
  • article
    http://mail-archives.apache.org/mod_mbox/tomcat-announce/202007.mbox/%3C39e4200c-6f4e-b85d-fe4b-a9c2bd5fdc3d%40apache.org%3E
  • article
    http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.0-M7
  • article
    http://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.105
  • article
    http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.57
  • article
    http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.37