CVE-2020-12422

Published Jul 9, 2020

Last updated 2 years ago

Overview

Description
In non-standard configurations, a JPEG image created by JavaScript could have caused an internal variable to overflow, resulting in an out of bounds write, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 78.
Source
security@mozilla.org
NVD status
Analyzed

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
7.6
Impact score
10
Exploitability score
4.9
Vector string
AV:N/AC:H/Au:N/C:C/I:C/A:C

Weaknesses

nvd@nist.gov
CWE-787

Social media

Hype score
Not currently trending

Configurations