CVE-2016-1546
Medium · 5.9CVSS
5.9
EPSS
15.9%
Published
Jul 6, 2016
CISA due date
—
The record
The Apache HTTP Server 2.4.17 and 2.4.18, when mod_http2 is enabled, does not limit the number of simultaneous stream workers for a single HTTP/2 connection, which allows remote attackers to cause a denial of service (stream-processing outage) via modified flow-control windows.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| Debian:11 | apache2 | 0 | 2.4.20-1 |
| Debian:12 | apache2 | 0 | 2.4.20-1 |
| Debian:13 | apache2 | 0 | 2.4.20-1 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-httpd | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-httpd-debuginfo | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-httpd-devel | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-httpd-manual | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-httpd-tools | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-mod_ldap | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-mod_proxy_html | 0 | 1:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-mod_session | 0 | 0:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el6 | httpd24-mod_ssl | 0 | 1:2.4.25-9.el6 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-httpd | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-httpd-debuginfo | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-httpd-devel | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-httpd-manual | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-httpd-tools | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-mod_ldap | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-mod_proxy_html | 0 | 1:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-mod_session | 0 | 0:2.4.25-9.el7 |
| Red Hat:rhel_software_collections:2::el7 | httpd24-mod_ssl | 0 | 1:2.4.25-9.el7 |
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