CVE-2018-12386

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write

published October 18, 2018

CVSS
—
EPSS
13%
Percentile
96.4
In the wild
Unconfirmed
What it is

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.13417 · 96.4th percentile
Published
2018-10-18T13:00Z
EPSS history
Timeline
  • 18 OCT 13:00Z
    A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write
    cvelistv5