CVE-2023-4585
High
Description
Memory safety bugs present in Firefox 116, Firefox ESR 115.1, and Thunderbird 115.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedSep 11, 2023
First seenSep 11, 2023
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- mozilla firefox117.0 or later
- mozilla firefox_esr115.2 or later
- mozilla thunderbird115.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 117.0 | 117.0 |
| mozilla firefox_esr | v < 115.2 | 115.2 |
| mozilla thunderbird | v < 115.2 | 115.2 |
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