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OpenAdvisories
High RLSA-2021:4537 1 CVE

Important: httpd:2.4 security update

Published Nov 9, 2021 · Updated Feb 5, 2026

Ecosystem: Rocky Linux

Summary

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.

Security Fix(es):

* httpd: Regression of CVE-2021-40438 and CVE-2021-26691 fixes in Rocky Linux 8.5 (CVE-2021-20325)

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 5

ReleasePackageFixed in
Rocky Linux · 8 httpd 0:2.4.37-43.module+el8.5.0+714+5ec56ee8
Rocky Linux · 8 mod_http2 0:1.15.7-3.module+el8.4.0+553+7a69454b
Rocky Linux · 8 mod_http2 0:1.15.7-3.module+el8.5.0+695+1fa8055e
Rocky Linux · 8 mod_md 1:2.0.8-8.module+el8.5.0+695+1fa8055e
Rocky Linux · 8 mod_md 1:2.0.8-8.module+el8.4.0+553+7a69454b

Vulnerabilities 1

  • Unscored —
    CVE-2021-20325

    Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2017321