CVE-2018-6335CWE-400

A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data

High · published December 31, 2018

CVSS v3.1
7.5
EPSS
1%
Percentile
73.5
In the wild
Unconfirmed
What it is

A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 and below) when using the proxygen server to handle HTTP2 requests.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01469 · 73.5th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2018-12-31T20:00Z
EPSS history
Timeline
  • 31 DEC 20:00Z
    A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data
    cvelistv5