RHSA-2019:2692: Important: nghttp2 security update

Published Sep 9, 2019
·
Updated

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.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) 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<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2-debugsource<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2-debugsource<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2-debugsource<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2<1.33.0-1.el8_0.1.aa
1.33.0-1.el8_0.1.aa
redhat/libnghttp2-debuginfo<1.33.0-1.el8_0.1.aa
1.33.0-1.el8_0.1.aa
redhat/nghttp2-debuginfo<1.33.0-1.el8_0.1.aa
1.33.0-1.el8_0.1.aa
redhat/nghttp2-debugsource<1.33.0-1.el8_0.1.aa
1.33.0-1.el8_0.1.aa
redhat/libnghttp2-devel<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2-devel<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2-devel<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/nghttp2<1.33.0-1.el8_0.1
1.33.0-1.el8_0.1
redhat/libnghttp2-devel<1.33.0-1.el8_0.1.aa
1.33.0-1.el8_0.1.aa
redhat/nghttp2<1.33.0-1.el8_0.1.aa
1.33.0-1.el8_0.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/nghttp2 to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1
  2. Upgrade

    Upgrade redhat/libnghttp2 to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1
  3. Upgrade

    Upgrade redhat/libnghttp2-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1
  4. Upgrade

    Upgrade redhat/nghttp2-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1
  5. Upgrade

    Upgrade redhat/nghttp2-debugsource to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1
  6. Upgrade

    Upgrade redhat/libnghttp2 to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1.aa
  7. Upgrade

    Upgrade redhat/libnghttp2-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1.aa
  8. Upgrade

    Upgrade redhat/nghttp2-debuginfo to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1.aa
  9. Upgrade

    Upgrade redhat/nghttp2-debugsource to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1.aa
  10. Upgrade

    Upgrade redhat/libnghttp2-devel to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1
  11. Upgrade

    Upgrade redhat/libnghttp2-devel to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1.aa
  12. Upgrade

    Upgrade redhat/nghttp2 to a version that resolves this vulnerability.

    Fixed in 1.33.0-1.el8_0.1.aa
  13. Upgrade

    Upgrade nghttp2 to a version that resolves this vulnerability.

    Fixed in nghttp2-1.33.0-1.el8_0.1
  14. Upgrade

    Upgrade libnghttp2 to a version that resolves this vulnerability.

    Fixed in libnghttp2-1.33.0-1.el8_0.1
  15. Upgrade

    Upgrade nghttp2-devel to a version that resolves this vulnerability.

    Fixed in libnghttp2-devel-1.33.0-1.el8_0.1
  16. Upgrade

    Upgrade nghttp2 (source RPM) to a version that resolves this vulnerability.

    Fixed in nghttp2-1.33.0-1.el8_0.1.src

Event History

Jul 29, 2026
Advisory Published
via Red Hat·12:08 PM
Data Sourced
via Red Hat·12:08 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2019:2692?

The severity of RHSA-2019:2692 is classified as a denial of service vulnerability.

2

How do I fix RHSA-2019:2692?

To fix RHSA-2019:2692, update to libnghttp2 and nghttp2 versions 1.33.0-1.el8_0.1 or later.

3

What is the impact of RHSA-2019:2692?

The impact of RHSA-2019:2692 can lead to service disruption due to excessive resource consumption.

4

Which software packages are affected by RHSA-2019:2692?

The affected software packages include libnghttp2, nghttp2, and their debuginfo versions.

5

Is there a workaround for RHSA-2019:2692?

There is no specific workaround for RHSA-2019:2692; updating is the recommended approach.

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