- Vulnerability/
- RHSA-2019:2775
RHSA-2019:2775: Important: rh-nginx114-nginx security update
First published: Mon Sep 16 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-nginx114-nginx | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-debuginfo | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-image-filter | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-perl | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-xslt-filter | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-mail | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-stream | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-debuginfo | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-image-filter | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-perl | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-xslt-filter | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-mail | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-stream | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-debuginfo | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-image-filter | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-perl | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-http-xslt-filter | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-mail | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx-mod-stream | <1.14.1-1.el7.1 | 1.14.1-1.el7.1 |
| redhat/rh-nginx114-nginx | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
| redhat/rh-nginx114-nginx-debuginfo | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
| redhat/rh-nginx114-nginx-mod-http-image-filter | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
| redhat/rh-nginx114-nginx-mod-http-perl | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
| redhat/rh-nginx114-nginx-mod-http-xslt-filter | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
| redhat/rh-nginx114-nginx-mod-mail | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
| redhat/rh-nginx114-nginx-mod-stream | <1.14.1-1.el7.1.aa | 1.14.1-1.el7.1.aa |
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Reference Links
Frequently Asked Questions
What security vulnerabilities are addressed in RHSA-2019:2775?
RHSA-2019:2775 addresses CVE-2019-9511, which involved denial of service caused by large data requests in HTTP/2.
How do I fix RHSA-2019:2775?
To resolve RHSA-2019:2775, you should upgrade to rh-nginx114-nginx version 1.14.1-1.el7.1 or higher.
What is the severity of RHSA-2019:2775?
The severity of RHSA-2019:2775 is classified as moderate due to its impact on service availability.
Which versions of nginx are affected by RHSA-2019:2775?
RHSA-2019:2775 affects multiple versions of the rh-nginx114-nginx packages prior to 1.14.1-1.el7.1.
Is there a workaround for RHSA-2019:2775 until I can update?
There is no specific workaround provided for RHSA-2019:2775, so applying the update as soon as possible is recommended.
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