CVE-2024-4367
High
Description
A type check was missing when handling fonts in PDF.js, which would allow arbitrary JavaScript execution in the PDF.js context. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedMay 14, 2024
First seenMay 14, 2024
Weakness typeCWE-754CWE-754
How to fix
Update
- mozilla firefox115.11.0, 126.0 or later
- mozilla thunderbird115.11.0 or later
- open-xchange open-xchange_appsuite_frontend7.10.6 or later
- pdfjs-dist4.2.67 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 115.11.0, v < 126.0 | 115.11.0, 126.0 |
| mozilla thunderbird | v < 115.11.0 | 115.11.0 |
| debian debian_linux | 10.0 | — |
| open-xchange open-xchange_appsuite_frontend | v < 7.10.6, 7.10.6 | 7.10.6 |
| pdfjs-distnpm | v < 4.2.67 | 4.2.67 |
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