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OpenAdvisories
High RHSA-2019:2949 3 CVEs

Red Hat Security Advisory: httpd24-httpd and httpd24-nghttp2 security update

Published Sep 20, 2024 · Updated Oct 13, 2026

Ecosystem: Red Hat

Fixed packages 27

ReleasePackageFixed in
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-httpd 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-httpd-debuginfo 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-httpd-devel 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-httpd-manual 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-httpd-tools 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-libnghttp2 0:1.7.1-7.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-libnghttp2-devel 0:1.7.1-7.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-mod_ldap 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-mod_proxy_html 1:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-mod_session 0:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-mod_ssl 1:2.4.34-8.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-nghttp2 0:1.7.1-7.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el6 httpd24-nghttp2-debuginfo 0:1.7.1-7.el6.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-httpd 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-httpd-debuginfo 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-httpd-devel 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-httpd-manual 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-httpd-tools 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-libnghttp2 0:1.7.1-7.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-libnghttp2-devel 0:1.7.1-7.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-mod_ldap 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-mod_md 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-mod_proxy_html 1:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-mod_session 0:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-mod_ssl 1:2.4.34-8.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-nghttp2 0:1.7.1-7.el7.1
Red Hat · RHEL 3 rhel_software_collections:3::el7 httpd24-nghttp2-debuginfo 0:1.7.1-7.el7.1

Vulnerabilities 3

  • High 7.5
    CVE-2019-9511 Public exploit EPSS 60%

    Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manip…

    nodejs nodejs nodejs nginx Debian Ubuntu Alpine
  • High 7.5
    CVE-2019-9513 Public exploit EPSS 82%

    Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority…

    nodejs nodejs nodejs nginx Debian Ubuntu Alpine
  • High 7.5
    CVE-2019-9517 EPSS 27%

    Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service

    Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer…

    apache2 apache2 nodejs apache2 Debian Ubuntu Alpine

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1735741
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1741860
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=1741868
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_2949.json
  • report
    https://access.redhat.com/security/cve/CVE-2019-9511
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2019-9511
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2019-9511
  • article
    https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md
  • article
    https://kb.cert.org/vuls/id/605641/
  • article
    https://nodejs.org/en/blog/vulnerability/aug-2019-security-releases/
  • article
    https://www.nginx.com/blog/nginx-updates-mitigate-august-2019-http-2-vulnerabilities/
  • report
    https://access.redhat.com/security/cve/CVE-2019-9513
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2019-9513
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2019-9513
  • article
    https://nghttp2.org/blog/2019/08/19/nghttp2-v1-39-2/
  • report
    https://access.redhat.com/security/cve/CVE-2019-9517
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2019-9517
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2019-9517