CVE-2023-4576
High
Description
On Windows, an integer overflow could occur in `RecordedSourceSurfaceCreation` which resulted in a heap buffer overflow potentially leaking sensitive data that could have led to a sandbox escape. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
SeverityHigh
CVSS8.6
Exploit probability—
Product
Mozilla Firefox
PublishedSep 11, 2023
First seenSep 11, 2023
How to fix
Update
- mozilla firefox117.0, 115.2 or later
- mozilla firefox_esr102.15 or later
- mozilla thunderbird115.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 117.0, 115.0 ≤ v < 115.2 | 117.0, 115.2 |
| mozilla firefox_esr | v < 102.15 | 102.15 |
| mozilla thunderbird | v < 115.2 | 115.2 |
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