RHSA-2022:0288HighCVSS 9.8

Red Hat Security Advisory: httpd:2.4 security update

Published
January 26, 2022
Last Modified
November 9, 2026

🔗 CVE IDs covered (1)

CVE-2021-44790 →

📋 Description

CVE-2021-44790 — httpd: mod_lua: Possible buffer overflow when parsing multipart content

🎯 Affected products43

  • Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.src (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-debugsource-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-debugsource-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-devel-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-devel-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-filesystem-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.noarch (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-manual-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.noarch (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-tools-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-tools-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-tools-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • httpd-tools-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.src (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-debuginfo-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-debuginfo-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-debugsource-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_http2-debugsource-0:1.11.3-3.module+el8.1.0+7763+babdfe5b.1.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_ldap-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_ldap-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_ldap-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_ldap-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_md-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_md-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.x86_64 (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • mod_md-debuginfo-0:2.4.37-16.module+el8.1.0+13809+822d170a.3.ppc64le (httpd:2.4) as a component of Red Hat Enterprise Linux AppStream E4S (v. 8.1)
  • +13 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the updated packages, the httpd daemon will be restarted automatically. Workaround: Disabling mod_lua and restarting httpd will mitigate this flaw. See https://access.redhat.com/articles/10649 for more information.

🔗 References (4)