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ALSA-2022:0323 Not scored

Important: nginx:1.20 security update

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.

Exploit probability Not scored
Published January 31, 2022
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:8 nginx
AlmaLinux:8 nginx-all-modules
AlmaLinux:8 nginx-filesystem
AlmaLinux:8 nginx-mod-http-image-filter
AlmaLinux:8 nginx-mod-http-perl
AlmaLinux:8 nginx-mod-http-xslt-filter
AlmaLinux:8 nginx-mod-mail
AlmaLinux:8 nginx-mod-stream

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2022:0323

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.

View original source

05 / REFERENCES

Further evidence