vulnerability

CentOS Linux: CVE-2019-9511: Important: nghttp2 security update (Multiple Advisories)

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Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Aug 13, 2019
Added
Sep 11, 2019
Modified
May 25, 2023

Description

Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this can consume excess CPU, memory, or both.

Solution(s)

centos-upgrade-libnghttp2centos-upgrade-libnghttp2-debuginfocentos-upgrade-nghttp2-debuginfocentos-upgrade-nghttp2-debugsourcecentos-upgrade-nginxcentos-upgrade-nginx-all-modulescentos-upgrade-nginx-debuginfocentos-upgrade-nginx-debugsourcecentos-upgrade-nginx-filesystemcentos-upgrade-nginx-mod-http-image-filtercentos-upgrade-nginx-mod-http-image-filter-debuginfocentos-upgrade-nginx-mod-http-perlcentos-upgrade-nginx-mod-http-perl-debuginfocentos-upgrade-nginx-mod-http-xslt-filtercentos-upgrade-nginx-mod-http-xslt-filter-debuginfocentos-upgrade-nginx-mod-mailcentos-upgrade-nginx-mod-mail-debuginfocentos-upgrade-nginx-mod-streamcentos-upgrade-nginx-mod-stream-debuginfocentos-upgrade-nodejscentos-upgrade-nodejs-debuginfocentos-upgrade-nodejs-debugsourcecentos-upgrade-nodejs-develcentos-upgrade-nodejs-devel-debuginfocentos-upgrade-nodejs-docscentos-upgrade-nodejs-nodemoncentos-upgrade-nodejs-packagingcentos-upgrade-npm

References

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