CVE-2019-11752
High
Description
It is possible to delete an IndexedDB key value and subsequently try to extract it during conversion. This results in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedSep 27, 2019
First seenSep 27, 2019
How to fix
Update
- mozilla firefox60.9.0, 69.0 or later
- mozilla firefox_esr68.1.0 or later
- mozilla thunderbird60.9.0, 68.1.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 60.9.0, v < 69.0 | 60.9.0, 69.0 |
| mozilla firefox_esr | 68.0 ≤ v < 68.1.0 | 68.1.0 |
| mozilla thunderbird | v < 60.9.0, 68.0 ≤ v < 68.1.0 | 60.9.0, 68.1.0 |
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