RHSA-2019:2746: Important: rh-nginx112-nginx security update
nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.Security Fix(es): HTTP/2: large amount of data request leads to denial of service (CVE-2019-9511) HTTP/2: flood using PRIORITY frames resulting in excessive resource consumption (CVE-2019-9513) HTTP/2: 0-length headers leads to denial of service (CVE-2019-9516) 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
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2019:2746?
The severity of RHSA-2019:2746 is important due to denial of service vulnerabilities in HTTP/2.
How do I fix RHSA-2019:2746?
To fix RHSA-2019:2746, you must update to the specified version 1.12.1-3.el7.1 of the affected nginx packages.
Which nginx versions are affected by RHSA-2019:2746?
RHSA-2019:2746 affects nginx versions prior to 1.12.1-3.el7.1.
What vulnerabilities are addressed in RHSA-2019:2746?
RHSA-2019:2746 addresses denial of service vulnerabilities related to large data requests in HTTP/2 and flooding using PRIORITY frames.
Is there a workaround for RHSA-2019:2746?
There are no recommended workarounds for RHSA-2019:2746; the best approach is to update the nginx packages.