RHSA-2020:2823: Important: nghttp2 security update

Published Jul 6, 2020
·
Updated

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

24 affected componentsFixes available
redhat/nghttp2<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2-debuginfo<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2-debuginfo<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2-debuginfo<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2-debuginfo<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2-debugsource<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2-debugsource<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2-debuginfo<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2-debuginfo<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2-debugsource<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2<1.33.0-3.el8_1.1.aa
1.33.0-3.el8_1.1.aa
redhat/libnghttp2-debuginfo<1.33.0-3.el8_1.1.aa
1.33.0-3.el8_1.1.aa
redhat/nghttp2-debuginfo<1.33.0-3.el8_1.1.aa
1.33.0-3.el8_1.1.aa
redhat/nghttp2-debugsource<1.33.0-3.el8_1.1.aa
1.33.0-3.el8_1.1.aa
redhat/libnghttp2-devel<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2-devel<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2-devel<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/nghttp2<1.33.0-3.el8_1.1
1.33.0-3.el8_1.1
redhat/libnghttp2-devel<1.33.0-3.el8_1.1.aa
1.33.0-3.el8_1.1.aa
redhat/nghttp2<1.33.0-3.el8_1.1.aa
1.33.0-3.el8_1.1.aa

Remediation

Event History

Sep 28, 2025
Advisory Published
via Red Hat·09:06 AM
Data Sourced
via Red Hat·09:06 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:2823?

The severity of RHSA-2020:2823 is classified as important.

2

How do I fix RHSA-2020:2823?

To fix RHSA-2020:2823, update the affected packages to version 1.33.0-3.el8_1.1 or later.

3

What vulnerability is addressed in RHSA-2020:2823?

RHSA-2020:2823 addresses a denial of service vulnerability due to overly large SETTINGS frames in nghttp2 (CVE-2020-11080).

4

Which packages are affected by RHSA-2020:2823?

The affected packages in RHSA-2020:2823 include nghttp2, libnghttp2, and their respective debuginfo packages.

5

Is there a specific version I should update to for RHSA-2020:2823?

Yes, you should update to version 1.33.0-3.el8_1.1 to mitigate the vulnerability in RHSA-2020:2823.

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RHSA-2020:2823 - Important: nghttp2 security update - SecAlerts