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IBM WebSphere Application Server: CVE-2019-9513: Multiple vulnerabilities in HTTP/2 implementation used by WebSphere Application Server Liberty

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IBM WebSphere Application Server: CVE-2019-9513: Multiple vulnerabilities in HTTP/2 implementation used by WebSphere Application Server Liberty

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
08/13/2019
Created
01/03/2020
Added
01/03/2020
Modified
05/04/2020

Description

Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can consume excess CPU.

Solution(s)

  • ibm-was-install-8-5-ph16611-liberty
  • ibm-was-upgrade-8-5-19-0-0-10-liberty

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