RHSA-2020:2850: Important: nghttp2 security update

Published Jul 7, 2020
·
Updated

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.Security Fix(es): nghttp2: overly large SETTINGS frames can lead to DoS (CVE-2020-11080) 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

13 affected componentsFixes available
redhat/nghttp2<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/libnghttp2<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/nghttp2-debugsource<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/libnghttp2<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/libnghttp2<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/nghttp2-debugsource<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2
redhat/nghttp2-debugsource<1.33.0-1.el8_0.2
1.33.0-1.el8_0.2

Remediation

Event History

May 28, 2026
Advisory Published
via Red Hat·03:31 PM
Data Sourced
via Red Hat·03:31 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:2850?

The severity of RHSA-2020:2850 is classified as important.

2

How do I fix RHSA-2020:2850?

To fix RHSA-2020:2850, upgrade the affected packages to version 1.33.0-1.el8_0.2.

3

What does RHSA-2020:2850 address?

RHSA-2020:2850 addresses a vulnerability in libnghttp2 that can lead to Denial of Service through overly large SETTINGS frames.

4

Which packages are affected by RHSA-2020:2850?

Affected packages include nghttp2, libnghttp2, and their respective debuginfo versions.

5

What is the impact of RHSA-2020:2850?

The impact of RHSA-2020:2850 is that it can cause Denial of Service by manipulating HTTP/2 SETTINGS frames.

Company

Resources

Contact

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RHSA-2020:2850 - Important: nghttp2 security update - SecAlerts