A rh-nginx118-nginx security update has been released for Red Hat Enterprise Linux 7.
RHSA-2021:2258-01: Important: rh-nginx118-nginx security update
=====================================================================
Red Hat Security Advisory
Synopsis: Important: rh-nginx118-nginx security update
Advisory ID: RHSA-2021:2258-01
Product: Red Hat Software Collections
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2258
Issue date: 2021-06-07
CVE Names: CVE-2021-23017
=====================================================================
1. Summary:
An update for rh-nginx118-nginx is now available for Red Hat Software
Collections.
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 Software Collections for Red Hat Enterprise Linux Server (v. 7) - ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64le, s390x, x86_64
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - 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
The rh-nginx118-nginx service must be restarted for this update to take
effect.
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 Software Collections for Red Hat Enterprise Linux Server (v. 7):
Source:
rh-nginx118-nginx-1.18.0-3.el7.src.rpm
ppc64le:
rh-nginx118-nginx-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.ppc64le.rpm
s390x:
rh-nginx118-nginx-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.s390x.rpm
x86_64:
rh-nginx118-nginx-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7):
Source:
rh-nginx118-nginx-1.18.0-3.el7.src.rpm
ppc64le:
rh-nginx118-nginx-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.ppc64le.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.ppc64le.rpm
s390x:
rh-nginx118-nginx-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.s390x.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.s390x.rpm
x86_64:
rh-nginx118-nginx-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.x86_64.rpm
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7):
Source:
rh-nginx118-nginx-1.18.0-3.el7.src.rpm
x86_64:
rh-nginx118-nginx-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-debuginfo-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-image-filter-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-perl-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-http-xslt-filter-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-mail-1.18.0-3.el7.x86_64.rpm
rh-nginx118-nginx-mod-stream-1.18.0-3.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2021-23017
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
