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A nginx:1.16 security update has been released for Red Hat Enterprise Linux 8.



RHSA-2021:2290-01: Important: nginx:1.16 security update



=====================================================================
Red Hat Security Advisory

Synopsis: Important: nginx:1.16 security update
Advisory ID: RHSA-2021:2290-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:2290
Issue date: 2021-06-08
CVE Names: CVE-2021-23017
=====================================================================

1. Summary:

An update for the nginx:1.16 module is now available for Red Hat Enterprise
Linux 8, Red Hat Enterprise Linux 8.1 Extended Update Support, and Red Hat
Enterprise Linux 8.2 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream EUS (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

nginx is a web and proxy server supporting HTTP and other protocols, with a
focus on high concurrency, performance, and low memory usage.

Security Fix(es):

* nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a
pointer to a root domain name (CVE-2021-23017)

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.

4. 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

5. Bugs fixed (  https://bugzilla.redhat.com/):

1963121 - CVE-2021-23017 nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.1):

Source:
nginx-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.src.rpm

aarch64:
nginx-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-debugsource-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-mail-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-stream-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.aarch64.rpm

noarch:
nginx-all-modules-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.noarch.rpm
nginx-filesystem-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.noarch.rpm

ppc64le:
nginx-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-debugsource-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-mail-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-stream-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.ppc64le.rpm

s390x:
nginx-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-debugsource-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-mail-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-stream-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.s390x.rpm

x86_64:
nginx-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-debugsource-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-mail-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-stream-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.1.0+11153+6c3a40a9.1.x86_64.rpm

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
nginx-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.src.rpm

aarch64:
nginx-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-debugsource-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-mail-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-stream-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.aarch64.rpm

noarch:
nginx-all-modules-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.noarch.rpm
nginx-filesystem-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.noarch.rpm

ppc64le:
nginx-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-debugsource-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-mail-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-stream-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.ppc64le.rpm

s390x:
nginx-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-debugsource-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-mail-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-stream-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.s390x.rpm

x86_64:
nginx-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-debugsource-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-http-image-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-http-perl-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-http-perl-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-http-xslt-filter-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-mail-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-mail-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-stream-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm
nginx-mod-stream-debuginfo-1.16.1-1.module+el8.2.0+11154+636e4c3b.1.x86_64.rpm

Red Hat Enterprise Linux AppStream (v. 8):

Source:
nginx-1.16.1-2.module+el8.4.0+11155+68135136.1.src.rpm

aarch64:
nginx-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-debugsource-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-http-image-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-http-perl-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-http-perl-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-http-xslt-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-mail-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-mail-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-stream-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm
nginx-mod-stream-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.aarch64.rpm

noarch:
nginx-all-modules-1.16.1-2.module+el8.4.0+11155+68135136.1.noarch.rpm
nginx-filesystem-1.16.1-2.module+el8.4.0+11155+68135136.1.noarch.rpm

ppc64le:
nginx-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-debugsource-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-http-image-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-http-perl-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-http-perl-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-http-xslt-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-mail-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-mail-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-stream-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm
nginx-mod-stream-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.ppc64le.rpm

s390x:
nginx-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-debugsource-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-http-image-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-http-perl-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-http-perl-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-http-xslt-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-mail-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-mail-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-stream-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm
nginx-mod-stream-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.s390x.rpm

x86_64:
nginx-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-debugsource-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-http-image-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-http-image-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-http-perl-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-http-perl-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-http-xslt-filter-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-http-xslt-filter-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-mail-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-mail-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-stream-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm
nginx-mod-stream-debuginfo-1.16.1-2.module+el8.4.0+11155+68135136.1.x86_64.rpm

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7. References:

  https://access.redhat.com/security/cve/CVE-2021-23017
  https://access.redhat.com/security/updates/classification/#important

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