CVE-2019-11707

A type confusion vulnerability can occur when manipulating JavaScript objects due to issues in Array.pop. This can allow for an exploitable crash. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 60.7.1, Firefox < 67.0.3, and Thunderbird < 60.7.2.

Affected products

Alt Linux, Centos, Firefox, Firefox Esr, Red Hat, Suse, Thunderbird, Tor Browser

Mozilla Firefox

< 60.7.1, 67.0.3

Mozilla Thunderbird

< 60.7.2

Fix

Available

CVSS 3.1

8.8 HIGH

EPSS

37.7% (98th percentile)

Weakness

CWE-843

NVD status

Analyzed

Published

2019-07-23