RHSA-2022:0323 — Security Advisory
Red Hat Security Advisory: nginx:1.20 security update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · January 31, 2022
Updated · August 4, 2026
Topic
An update for the nginx:1.20 module 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
nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.
The following packages have been upgraded to a later upstream version: nginx (1.20.1). (BZ#2031030)
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.