RHSA-2019:2949: Important: httpd24-httpd and httpd24-nghttp2 security update

Published Oct 1, 2019
·
Updated

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.<br>Security Fix(es):<br><li> HTTP/2: large amount of data requests 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: request for large response leads to denial of service (CVE-2019-9517)</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

44 affected componentsFixes available
redhat/httpd24-httpd<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-nghttp2<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-httpd<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-debuginfo<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-devel<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-manual<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-tools<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-libnghttp2<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-libnghttp2-devel<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-nghttp2<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-nghttp2-debuginfo<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-httpd-debuginfo<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-devel<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-tools<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-libnghttp2<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-libnghttp2-devel<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-nghttp2-debuginfo<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-httpd<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-debuginfo<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-devel<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-httpd-tools<2.4.34-8.el7.1
2.4.34-8.el7.1
redhat/httpd24-libnghttp2<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-libnghttp2-devel<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-nghttp2<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-nghttp2-debuginfo<1.7.1-7.el7.1
1.7.1-7.el7.1
redhat/httpd24-httpd<2.4.34-8.el7.1.aa
2.4.34-8.el7.1.aa
redhat/httpd24-httpd-debuginfo<2.4.34-8.el7.1.aa
2.4.34-8.el7.1.aa
redhat/httpd24-httpd-devel<2.4.34-8.el7.1.aa
2.4.34-8.el7.1.aa
redhat/httpd24-httpd-tools<2.4.34-8.el7.1.aa
2.4.34-8.el7.1.aa
redhat/httpd24-libnghttp2<1.7.1-7.el7.1.aa
1.7.1-7.el7.1.aa
redhat/httpd24-libnghttp2-devel<1.7.1-7.el7.1.aa
1.7.1-7.el7.1.aa
redhat/httpd24-nghttp2<1.7.1-7.el7.1.aa
1.7.1-7.el7.1.aa
redhat/httpd24-nghttp2-debuginfo<1.7.1-7.el7.1.aa
1.7.1-7.el7.1.aa
redhat/httpd24-httpd<2.4.34-8.el6.1
2.4.34-8.el6.1
redhat/httpd24-nghttp2<1.7.1-7.el6.1
1.7.1-7.el6.1
redhat/httpd24-httpd<2.4.34-8.el6.1
2.4.34-8.el6.1
redhat/httpd24-httpd-debuginfo<2.4.34-8.el6.1
2.4.34-8.el6.1
redhat/httpd24-httpd-devel<2.4.34-8.el6.1
2.4.34-8.el6.1
redhat/httpd24-httpd-manual<2.4.34-8.el6.1
2.4.34-8.el6.1
redhat/httpd24-httpd-tools<2.4.34-8.el6.1
2.4.34-8.el6.1
redhat/httpd24-libnghttp2<1.7.1-7.el6.1
1.7.1-7.el6.1
redhat/httpd24-libnghttp2-devel<1.7.1-7.el6.1
1.7.1-7.el6.1
redhat/httpd24-nghttp2<1.7.1-7.el6.1
1.7.1-7.el6.1
redhat/httpd24-nghttp2-debuginfo<1.7.1-7.el6.1
1.7.1-7.el6.1

Remediation

Event History

Feb 23, 2025
Advisory Published
via Red Hat·10:23 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2019:2949?

The severity of RHSA-2019:2949 is classified as important due to the potential for denial of service attacks.

2

How do I fix RHSA-2019:2949?

To fix RHSA-2019:2949, update the affected httpd packages to version 2.4.34-8.el7.1 or later.

3

What vulnerabilities are addressed in RHSA-2019:2949?

RHSA-2019:2949 addresses vulnerabilities including CVE-2019-9511 related to denial of service in HTTP/2.

4

Which operating systems are affected by RHSA-2019:2949?

RHSA-2019:2949 affects multiple versions of Red Hat Enterprise Linux including EL6 and EL7.

5

Is there a workaround for RHSA-2019:2949?

There are no specific workarounds for RHSA-2019:2949, so updating the packages is the recommended course of action.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203