RHSA-2019:2692 — Security Advisory

Red Hat Security Advisory: nghttp2 security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · September 10, 2019

Updated · October 12, 2026

Topic

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

Related CVEs

RHSA-2019:2692 — Red Hat Security Advisory: nghttp2 security update | PulseLinux