PT-2026-76980 · Mozilla · Firefox+1

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CVE-2026-74947

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Published

2026-08-18

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Updated

2026-08-31

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird ESR versions prior to 153.1
Description Privilege escalation is possible due to an invalid pointer within the Graphics component.
Recommendations Update Firefox to version 154. Update Firefox ESR to version 153.1. Update Thunderbird to version 154. Update Thunderbird ESR to version 153.1.

Fix

LPE

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Weakness Enumeration

Related Identifiers

CVE-2026-74947
OPENSUSE-SU-2026:11546-1
OPENSUSE-SU-2026:11580-1
OPENSUSE-SU-2026:21713-1
SUSE-SU-2026:23411-1
SUSE-SU-2026:3658-1
SUSE-SU-2026:3683-1

Affected Products

Firefox
Thunderbird