PT-2026-118368 · Mozilla · Firefox+1

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CVE-2026-113401

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Published

2026-10-20

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Updated

2026-10-20

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 158.0.1 Thunderbird versions prior to 158.0.1
Description A denial-of-service issue exists within the PDF Viewer component.
Recommendations Update Firefox to version 158.0.1 or later. Update Thunderbird to version 158.0.1 or later.

Fix

Resource Exhaustion

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Weakness Enumeration

Related Identifiers

CVE-2026-113401

Affected Products

Firefox
Thunderbird