RHSA-2022:0891: Moderate: httpd:2.4 security update

Published Mar 15, 2022
·
Updated

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.Security Fix(es): httpd: NULL pointer dereference via malformed requests (CVE-2021-34798) httpd: Out-of-bounds write in apescapequotes() via malicious input (CVE-2021-39275) 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.

Affected Software

26 affected componentsFixes available
redhat/httpd<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-filesystem<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-manual<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-debugsource<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-devel<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-tools<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-tools-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-debugsource<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-devel<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-tools<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-tools-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-debugsource<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-devel<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-tools<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd-tools-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2
2.4.37-43.module+el8.5.0+14370+51c6d843.2
redhat/httpd<2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
redhat/httpd-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
redhat/httpd-debugsource<2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
redhat/httpd-devel<2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
redhat/httpd-tools<2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
redhat/httpd-tools-debuginfo<2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
2.4.37-43.module+el8.5.0+14370+51c6d843.2.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 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  2. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  3. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  4. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  5. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  6. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  7. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  8. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2
  9. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
  10. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
  11. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
  12. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
  13. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
  14. Upgrade

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

    Fixed in 2.4.37-43.module+el8.5.0+14370+51c6d843.2.aa
  15. Upgrade

    Upgrade httpd to a version that resolves this vulnerability.

    Fixed in httpd-2.4.37-43.module+el8.5.0+14370+51c6d843.2
  16. Upgrade

    Upgrade mod_http2 to a version that resolves this vulnerability.

    Fixed in mod_http2-1.15.7-3.module+el8.4.0+8625+d397f3da
  17. Upgrade

    Upgrade mod_ldap to a version that resolves this vulnerability.

    Fixed in mod_ldap-2.4.37-43.module+el8.5.0+14370+51c6d843.2
  18. Upgrade

    Upgrade mod_md to a version that resolves this vulnerability.

    Fixed in mod_md-2.0.8-8.module+el8.3.0+6814+67d1e611
  19. Upgrade

    Upgrade mod_proxy_html to a version that resolves this vulnerability.

    Fixed in mod_proxy_html-2.4.37-43.module+el8.5.0+14370+51c6d843.2
  20. Upgrade

    Upgrade mod_session to a version that resolves this vulnerability.

    Fixed in mod_session-2.4.37-43.module+el8.5.0+14370+51c6d843.2
  21. Upgrade

    Upgrade mod_ssl to a version that resolves this vulnerability.

    Fixed in mod_ssl-2.4.37-43.module+el8.5.0+14370+51c6d843.2

Event History

Jul 26, 2026
Advisory Published
via Red Hat·09:28 PM
Data Sourced
via Red Hat·09:28 PM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2022:0891?

The severity of RHSA-2022:0891 is categorized as important due to vulnerabilities that could lead to denial of service.

2

How do I fix RHSA-2022:0891?

To fix RHSA-2022:0891, update affected packages to version 2.4.37-43.module+el8.5.0+14370+51c6d843.2 or later.

3

What vulnerabilities are addressed in RHSA-2022:0891?

RHSA-2022:0891 addresses CVE-2021-34798, which involves a NULL pointer dereference via malformed requests.

4

Which packages are affected by RHSA-2022:0891?

Affected packages include httpd, httpd-filesystem, httpd-manual, httpd-debuginfo, and several others.

5

Is immediate action required for RHSA-2022:0891?

Yes, immediate action is recommended to mitigate potential impact from the vulnerabilities addressed in RHSA-2022:0891.

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