CVE-2026-113401

medium

Description

Denial-of-service in the PDF Viewer component. This vulnerability was fixed in Firefox 158.0.1 and Thunderbird 158.0.1.

References

https://www.mozilla.org/security/advisories/mfsa2026-114/

https://www.mozilla.org/security/advisories/mfsa2026-111/

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-104982

https://bugzilla.mozilla.org/show_bug.cgi?id=2073714

Details

Source: Mitre, NVD

Published: 2026-10-20

Updated: 2026-10-20

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium