RHSA-2019:2775: Important: rh-nginx114-nginx security update

Published 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

28 affected componentsFixes available
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

Remediation

Event History

Jan 14, 2025
Advisory Published
via Red Hat·01:39 AM
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Frequently Asked Questions

1

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.

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.

3

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.

4

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.

5

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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