QID 240048

Date Published: 2022-02-01

QID 240048: Red Hat Update for nginx:1.20 (RHSA-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.

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)

Affected Products:

  • Red Hat enterprise linux for x86_64 8 x86_64
  • Red Hat enterprise linux for ibm z systems 8 s390x
  • Red Hat enterprise linux for power, little endian 8 ppc64le
  • Red Hat enterprise linux for arm 64 8 aarch64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Critical - 9.4 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Refer to Red Hat security advisory RHSA-2022:0323 for updates and patch information.
    Vendor References

    CVEs related to QID 240048

    CVE-2021-23017 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2022:0323 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2022:0323
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