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VULNERABILITIES

CVE-2016-1546 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
http://httpd.apache.org/security/vulnerabilities_24.html CVEPatchVendor Advisory
https://access.redhat.com/errata/RHSA-2017:1161 CVE
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E CVE
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E CVE
https://lists.apache.org/thread.html/r04e89e873d54116a0635ef2f7061c15acc5ed27ef7500997beb65d6f%40%3Ccvs.httpd.apache.org%3E CVE

see all 42 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-399Resource Management Errors[email protected]

Affected Products

ProductVersions
apache http server
2.4.17
2.4.18

CPE

  • cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

18 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2016-1546
NVD Published Date:
Jul 6, 2016
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]