ArchLinux: 202006-16: tomcat8: denial of service

    Date 30 Jun 2020
    Posted By LinuxSecurity Advisories
    The package tomcat8 before version 8.5.56-1 is vulnerable to denial of service.
    Arch Linux Security Advisory ASA-202006-16
    Severity: Medium
    Date    : 2020-06-28
    CVE-ID  : CVE-2020-11996
    Package : tomcat8
    Type    : denial of service
    Remote  : Yes
    Link    :
    The package tomcat8 before version 8.5.56-1 is vulnerable to denial of
    Upgrade to 8.5.56-1.
    # pacman -Syu "tomcat8>=8.5.56-1"
    The problem has been fixed upstream in version 8.5.56.
    A denial of service has been found in Apache Tomcat before 9.0.36 and
    8.5.56, where a specially crafted sequence of HTTP/2 requests could
    trigger high CPU usage for several seconds. If a sufficient number of
    such requests were made on concurrent HTTP/2 connections, the server
    could become unresponsive.
    A remote attacker might be able to cause a denial of service via a
    specially crafted sequence of HTTP/2 requests.

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