CVE-2026-16408
Critical · 9.8CVSS
9.8
EPSS
0.6%
Published
Jul 21, 2026
CISA due date
—
The record
Integer overflow in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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