PT-2026-111435 · Mozilla · Thunderbird+1

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CVE-2026-109714

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Published

2026-10-13

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Updated

2026-10-13

CVSS v3.1

5.4

Medium

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158 Thunderbird versions prior to 158
Description Incorrect boundary conditions exist within the Layout component.
Recommendations Update Firefox to version 158. Update Thunderbird to version 158.

Fix

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-109714

Affected Products

Firefox
Thunderbird