CVE-2020-15669
High
Description
When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox Esr
PublishedOct 1, 2020
First seenOct 1, 2020
How to fix
Update
- mozilla firefox_esr68.12 or later
- mozilla thunderbird68.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox_esr | v < 68.12 | 68.12 |
| mozilla thunderbird | v < 68.12 | 68.12 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.