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Red Hat Enterprise Linux 8 RHSA-2020:2755-01 Important: nghttp2 DoS Issue

red hat
Calendar Grey June 25, 2020
Dist Redhat Esm H88
Debian GNU/Linux 10 has released a crucial patch for OpenSSL mitigating a vulnerability that could expose sensitive data in TLS connections.
An update for nghttp2 is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat software update important dos nghttp2

References

https://access.redhat.com/security/cve/CVE-2020-11080 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: nghttp2-1.33.0-3.el8_2.1.src.rpm
aarch64: libnghttp2-1.33.0-3.el8_2.1.aarch64.rpm libnghttp2-debuginfo-1.33.0-3.el8_2.1.aarch64.rpm nghttp2-debuginfo-1.33.0-3.el8_2.1.aarch64.rpm nghttp2-debugsource-1.33.0-3.el8_2.1.aarch64.rpm
ppc64le: libnghttp2-1.33.0-3.el8_2.1.ppc64le.rpm libnghttp2-debuginfo-1.33.0-3.el8_2.1.ppc64le.rpm nghttp2-debuginfo-1.33.0-3.el8_2.1.ppc64le.rpm nghttp2-debugsource-1.33.0-3.el8_2.1.ppc64le.rpm
s390x: libnghttp2-1.33.0-3.el8_2.1.s390x.rpm libnghttp2-debuginfo-1.33.0-3.el8_2.1.s390x.rpm nghttp2-debuginfo-1.33.0-3.el8_2.1.s390x.rpm nghttp2-debugsource-1.33.0-3.el8_2.1.s390x.rpm
x86_64: libnghttp2-1.33.0-3.el8_2.1.i686.rpm libnghttp2-1.33.0-3.el8_2.1.x86_64.rpm libnghttp2-debuginfo-1.33.0-3.el8_2.1.i686.rpm libnghttp2-debuginfo-1.33.0-3.el8_2.1.x86_64.rpm nghttp2-debuginfo-1.33.0-3.el8_2.1.i686.rpm nghttp2-debuginfo-1.33.0-3.el8_2.1.x86_64.rpm nghttp2-debugsource-1.33.0-3.el8_2.1.i686.rpm nghttp2-debugsource-1.33.0-3.el8_2.1.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64: libnghttp2-debuginfo-1.33.0-3.el8_2.1.aarch64.rpm libnghttp2-devel-1.33.0-3.el8_2.1.aarch64.rpm nghttp2-1.33.0-3.el8_2.1.aarch64.rpm nghttp2-debuginfo-1.33.0-3.el8_2.1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2755-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2755
Issue date: 2020-06-25

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat software update important dos nghttp2

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

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

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