CVE-2019-11707

Vulnerability details

Mozilla Firefox and Thunderbird contain a type confusion vulnerability that can occur when manipulating JavaScript objects due to issues in Array.pop, allowing for an exploitable crash.

Added to CISA KEV: 2022-05-23

Ransomware campaign use: Unknown

CISA due date: 2022-06-13

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.