CVE-2019-11707
HighActively exploited (CISA KEV)
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox and Thunderbird
PublishedJul 23, 2019
First seenJul 23, 2019
Added to KEVMay 23, 2022
Weakness typeCWE-843CWE-843
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Jun 13, 2022Update
- mozilla firefox60.7.1, 67.0.3 or later
- mozilla thunderbird60.7.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 60.7.1, v < 67.0.3 | 60.7.1, 67.0.3 |
| mozilla thunderbird | v < 60.7.2 | 60.7.2 |
Check your version
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