First published: Thu Sep 12 2019(Updated: )
nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.<br>Security Fix(es):<br><li> HTTP/2: large amount of data request leads to denial of service (CVE-2019-9511)</li> <li> HTTP/2: flood using PRIORITY frames resulting in excessive resource consumption (CVE-2019-9513)</li> <li> HTTP/2: 0-length headers leads to denial of service (CVE-2019-9516)</li> For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/rh-nginx110-nginx | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx-debuginfo | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx-mod-http-image-filter | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx-mod-http-perl | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx-mod-http-xslt-filter | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx-mod-mail | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx-mod-stream | <1.10.2-9.el7.1 | 1.10.2-9.el7.1 |
redhat/rh-nginx110-nginx | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx-debuginfo | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx-mod-http-image-filter | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx-mod-http-perl | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx-mod-http-xslt-filter | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx-mod-mail | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
redhat/rh-nginx110-nginx-mod-stream | <1.10.2-9.el6.1 | 1.10.2-9.el6.1 |
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The severity of RHSA-2019:2745 is classified as important.
To fix RHSA-2019:2745, you should update the affected packages to the specified remedial versions, such as 1.10.2-9.el6.1 or 1.10.2-9.el7.1.
RHSA-2019:2745 affects nginx versions up to and including 1.10.2-9.el6.1 and 1.10.2-9.el7.1.
RHSA-2019:2745 addresses vulnerabilities related to denial of service in HTTP/2 (CVE-2019-9511) due to a large amount of data requests.
There are no specific workarounds for RHSA-2019:2745, and updating to the remedial versions is recommended for mitigation.