RHSA-2020:2823 - Security Advisory

Topic

An update for nghttp2 is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.

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):

• 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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 8.1 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.1 aarch64

Fixes

• BZ - 1844929 - CVE-2020-11080 nghttp2: overly large SETTINGS frames can lead to DoS

CVEs

• CVE-2020-11080

References

• https://access.redhat.com/security/updates/classification/#important