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Ubuntu: (Multiple Advisories) (CVE-2019-10072): Tomcat vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2019-10072): Tomcat vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
06/21/2019
Created
09/13/2019
Added
09/11/2019
Modified
09/19/2019

Description

The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.

Solution(s)

  • ubuntu-upgrade-libtomcat8-java
  • ubuntu-upgrade-libtomcat9-java
  • ubuntu-upgrade-tomcat8
  • ubuntu-upgrade-tomcat9

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