RHSA-2020:2755: Important: nghttp2 security update

Published Jun 25, 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

24 affected componentsFixes available
redhat/nghttp2<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2-debuginfo<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2-debuginfo<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2-debuginfo<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2-debuginfo<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2-debugsource<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2-debugsource<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2-debuginfo<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2-debuginfo<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2-debugsource<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2<1.33.0-3.el8_2.1.aa
1.33.0-3.el8_2.1.aa
redhat/libnghttp2-debuginfo<1.33.0-3.el8_2.1.aa
1.33.0-3.el8_2.1.aa
redhat/nghttp2-debuginfo<1.33.0-3.el8_2.1.aa
1.33.0-3.el8_2.1.aa
redhat/nghttp2-debugsource<1.33.0-3.el8_2.1.aa
1.33.0-3.el8_2.1.aa
redhat/libnghttp2-devel<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2-devel<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2-devel<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/nghttp2<1.33.0-3.el8_2.1
1.33.0-3.el8_2.1
redhat/libnghttp2-devel<1.33.0-3.el8_2.1.aa
1.33.0-3.el8_2.1.aa
redhat/nghttp2<1.33.0-3.el8_2.1.aa
1.33.0-3.el8_2.1.aa

Remediation

Event History

Jun 9, 2026
Advisory Published
via Red Hat·03:49 PM
Data Sourced
via Red Hat·03:49 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2020:2755?

The severity of RHSA-2020:2755 is classified as important.

2

How do I fix RHSA-2020:2755?

To fix RHSA-2020:2755, upgrade to the package versions 1.33.0-3.el8_2.1 or later.

3

What are the consequences of not addressing RHSA-2020:2755?

Not addressing RHSA-2020:2755 can lead to denial of service (DoS) attacks due to overly large SETTINGS frames.

4

Which packages are affected by RHSA-2020:2755?

The affected packages include nghttp2, libnghttp2, and their respective debug and development versions.

5

Is there a known CVE associated with RHSA-2020:2755?

Yes, RHSA-2020:2755 is associated with CVE-2020-11080.

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