CVE-2024-9399
High
Description
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mozilla Firefox
PublishedOct 1, 2024
First seenOct 1, 2024
Weakness typeCWE-404CWE-404
How to fix
Update
- mozilla firefox128.3.0, 131.0 or later
- mozilla thunderbird128.3.0, 131.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 128.3.0, 129.0 ≤ v < 131.0 | 128.3.0, 131.0 |
| mozilla thunderbird | v < 128.3.0, 129.0 ≤ v < 131.0 | 128.3.0, 131.0 |
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