CVE-2023-29539
High
Description
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedJun 2, 2023
First seenJun 2, 2023
How to fix
Update
- mozilla firefox112.0 or later
- mozilla firefox_esr102.10 or later
- mozilla firefox_mobile112.0 or later
- mozilla focus112.0 or later
- mozilla thunderbird102.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 112.0 | 112.0 |
| mozilla firefox_esr | v < 102.10 | 102.10 |
| mozilla firefox_mobile | v < 112.0 | 112.0 |
| mozilla focus | v < 112.0 | 112.0 |
| mozilla thunderbird | v < 102.10 | 102.10 |
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