Ubuntu.comUB:CVE-2016-8740CVE-2016-8740
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.027 Low
EPSS
Percentile
90.3%
The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when
the Protocols configuration includes h2 or h2c, does not restrict
request-header length, which allows remote attackers to cause a denial of
service (memory consumption) via crafted CONTINUATION frames in an HTTP/2
request.
Bugs
- <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=847124>
- <https://bugzilla.redhat.com/show_bug.cgi?id=1401528>
Notes
| Author | Note |
|---|---|
| mdeslaur | mod_http2 is not built in Ubuntu because it is considered experimental. |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.027 Low
EPSS
Percentile
90.3%