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OpenAdvisories
High RLSA-2022:0323 1 CVE

Important: nginx:1.20 security update

Published Jan 31, 2022 · Updated Feb 5, 2026

Summary

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.

Fixed packages 2

ReleasePackageFixed in
Rocky Linux · 8 nginx 1:1.20.1-1.module+el8.6.0+791+48a2bb9d
Rocky Linux · 8 nginx 1:1.20.1-1.module+el8.5.0+729+3f70613e

Vulnerabilities 1

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1963121