CVE-2022-31739
High
Description
When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-73CWE-73
How to fix
Update
- mozilla firefox101 or later
- mozilla firefox_esr91.10 or later
- mozilla thunderbird91.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 101 | 101 |
| mozilla firefox_esr | v < 91.10 | 91.10 |
| mozilla thunderbird | v < 91.10 | 91.10 |
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