CVE-2026-113399
Critical · 9.8CVSS
9.8
EPSS
0.5%
Published
Oct 20, 2026
CISA due date
—
The record
Incorrect boundary conditions in the SVG component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
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