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Medium ALSA-2021:1809 3 CVEs

Moderate: httpd:2.4 security, bug fix, and enhancement update

Published May 18, 2021 · Updated Nov 2, 2026

Summary

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

Security Fix(es):

* httpd: mod_session_cookie does not respect expiry time (CVE-2018-17199)

* httpd: mod_proxy_uwsgi buffer overflow (CVE-2020-11984)

* httpd: mod_http2 concurrent pool usage (CVE-2020-11993)

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 AlmaLinux Release Notes linked from the References section.

Fixed packages 3

ReleasePackageFixed in
AlmaLinux · 8 mod_http2 1.15.7-3.module_el8.5.0+2609+b30d9eec
AlmaLinux · 8 mod_md 1:2.0.8-8.module_el8.5.0+2609+b30d9eec
AlmaLinux · 8 mod_md 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa

Vulnerabilities 3

References

  • report
    https://bugzilla.redhat.com/1651376
  • report
    https://bugzilla.redhat.com/1668493
  • report
    https://bugzilla.redhat.com/1680118
  • report
    https://bugzilla.redhat.com/1847585
  • report
    https://bugzilla.redhat.com/1866563
  • report
    https://bugzilla.redhat.com/1866564
  • report
    https://bugzilla.redhat.com/1872828
  • report
    https://bugzilla.redhat.com/1875844
  • report
    https://bugzilla.redhat.com/1891594
  • report
    https://bugzilla.redhat.com/1891829
  • report
    https://bugzilla.redhat.com/1918741
  • advisory
    https://errata.almalinux.org/8/ALSA-2021-1809.html
  • report
    https://vulners.com/cve/CVE-2018-17199
  • report
    https://vulners.com/cve/CVE-2020-11984
  • report
    https://vulners.com/cve/CVE-2020-11993