CVE-2019-11758
High
Description
Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Firefox ESR < 68.2.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedJan 8, 2020
First seenJan 8, 2020
How to fix
Update
- mozilla firefox69.0 or later
- mozilla firefox_esr68.2 or later
- mozilla thunderbird68.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 69.0 | 69.0 |
| mozilla firefox_esr | v < 68.2 | 68.2 |
| mozilla thunderbird | v < 68.2 | 68.2 |
| canonical ubuntu_linux | 16.04 | — |
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