A denial of service flaw was found in httpd's mod_http2 module. A remote attacker could use this flaw to block server threads for long times, causing starvation of worker threads, by manipulating the flow control windows on streams.
Find out more about CVE-2016-1546 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 4.3 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:N/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (httpd24-httpd) | RHSA-2017:1161 | 2017-04-26 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (httpd24-httpd) | RHSA-2017:1161 | 2017-04-26 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss Web Server 3.0 | httpd | Not affected |
| Red Hat JBoss EWS 2 | httpd | Not affected |
| Red Hat JBoss EWS 1 | httpd | Not affected |
| Red Hat JBoss EAP 6 | httpd | Not affected |
| Red Hat JBoss EAP 5 | httpd | Not affected |
| Red Hat Enterprise Linux 7 | httpd | Not affected |
| Red Hat Enterprise Linux 6 | httpd | Not affected |
| Red Hat Enterprise Linux 5 | httpd | Not affected |
| Red Hat Directory Server 8 | httpd | Not affected |
Vulmon