CVE-2016-8740

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…

published December 5, 2016

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.6th percentile for exploit probability.

CVSS
—
EPSS
79%
Percentile
99.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.79070 · 99.6th percentile
Published
2016-12-05T19:00Z
EPSS history
Timeline
  • 05 DEC 19:00Z
    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…
    cvelistv5