CVE-2026-84138
Denial-of-service in the PDF Viewer component
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.
| Vendor | mozilla |
| Product | firefox |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 1, 2026 |
| Last Updated | Sep 3, 2026 |
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Affected Versions
Mozilla / Firefox
All versions affected Mozilla / Thunderbird
All versions affected References
Credits
Uwez Khan