RHSA-2022:1915: Moderate: httpd:2.4 security and bug fix update

Published May 10, 2022
·
Updated

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.Security Fix(es): httpd: Request splitting via HTTP/2 method injection and modproxy (CVE-2021-33193) httpd: modproxyuwsgi: out-of-bounds read via a crafted request uri-path (CVE-2021-36160) httpd: possible NULL dereference or SSRF in forward proxy configurations (CVE-2021-44224) httpd: Single zero byte stack overflow in modauthdigest (CVE-2020-35452) 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.Additional Changes:For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

Affected Software

26 affected componentsFixes available
redhat/httpd<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-debugsource<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-devel<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-filesystem<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-manual<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-tools<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-tools-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-debugsource<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-devel<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-tools<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-tools-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-debugsource<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-devel<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-tools<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd-tools-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1
2.4.37-47.module+el8.6.0+14529+083145da.1
redhat/httpd<2.4.37-47.module+el8.6.0+14529+083145da.1.aa
2.4.37-47.module+el8.6.0+14529+083145da.1.aa
redhat/httpd-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1.aa
2.4.37-47.module+el8.6.0+14529+083145da.1.aa
redhat/httpd-debugsource<2.4.37-47.module+el8.6.0+14529+083145da.1.aa
2.4.37-47.module+el8.6.0+14529+083145da.1.aa
redhat/httpd-devel<2.4.37-47.module+el8.6.0+14529+083145da.1.aa
2.4.37-47.module+el8.6.0+14529+083145da.1.aa
redhat/httpd-tools<2.4.37-47.module+el8.6.0+14529+083145da.1.aa
2.4.37-47.module+el8.6.0+14529+083145da.1.aa
redhat/httpd-tools-debuginfo<2.4.37-47.module+el8.6.0+14529+083145da.1.aa
2.4.37-47.module+el8.6.0+14529+083145da.1.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/httpd to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  2. Upgrade

    Upgrade redhat/httpd-filesystem to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  3. Upgrade

    Upgrade redhat/httpd-manual to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  4. Upgrade

    Upgrade redhat/httpd-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  5. Upgrade

    Upgrade redhat/httpd-debugsource to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  6. Upgrade

    Upgrade redhat/httpd-devel to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  7. Upgrade

    Upgrade redhat/httpd-tools to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  8. Upgrade

    Upgrade redhat/httpd-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1
  9. Upgrade

    Upgrade redhat/httpd to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1.aa
  10. Upgrade

    Upgrade redhat/httpd-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1.aa
  11. Upgrade

    Upgrade redhat/httpd-debugsource to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1.aa
  12. Upgrade

    Upgrade redhat/httpd-devel to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1.aa
  13. Upgrade

    Upgrade redhat/httpd-tools to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1.aa
  14. Upgrade

    Upgrade redhat/httpd-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 2.4.37-47.module+el8.6.0+14529+083145da.1.aa
  15. Upgrade

    Upgrade httpd to a version that resolves this vulnerability.

    Patch Moderate: httpd:2.4 security and bug fix update
  16. Upgrade

    Upgrade httpd to a version that resolves this vulnerability.

    Patch httpd: Request splitting via HTTP/2 method injection and mod_proxy (CVE-2021-33193)
  17. Upgrade

    Upgrade httpd to a version that resolves this vulnerability.

    Patch httpd: Single zero byte stack overflow in mod_auth_digest (CVE-2020-35452)
  18. Upgrade

    Upgrade httpd to a version that resolves this vulnerability.

    Patch httpd: mod_proxy_uwsgi: out-of-bounds read via a crafted request uri-path (CVE-2021-36160)
  19. Upgrade

    Upgrade httpd to a version that resolves this vulnerability.

    Patch httpd: possible NULL dereference or SSRF in forward proxy configurations (CVE-2021-44224)
  20. Operational

    After installing the updated httpd packages, ensure the httpd daemon restarts automatically (as stated in the advisory text).

Event History

Jun 4, 2026
Advisory Published
via Red Hat·04:16 PM
Data Sourced
via Red Hat·04:16 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2022:1915?

The severity of RHSA-2022:1915 is considered important.

2

How do I fix RHSA-2022:1915?

To fix RHSA-2022:1915, update the httpd package to version 2.4.37-47.module+el8.6.0+14529+083145da.1 or later.

3

What vulnerabilities are addressed by RHSA-2022:1915?

RHSA-2022:1915 addresses vulnerabilities such as CVE-2021-33193 related to request splitting via HTTP/2 method injection.

4

Which packages are affected by RHSA-2022:1915?

RHSA-2022:1915 affects several packages including httpd, httpd-filesystem, and httpd-tools among others.

5

Is there a workaround for RHSA-2022:1915?

There is no specific workaround for RHSA-2022:1915; upgrading to the fixed version is recommended.

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