CVE-2026-2769

🔴 HIGH

Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Published
Feb 24, 2026
Last Modified
Feb 25, 2026
Views
2
Bookmarks
0

Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.

Affected Products (4)

mozilla - firefox

Version: *

mozilla - firefox

Version: *

mozilla - thunderbird

Version: *

mozilla - thunderbird

Version: *

CVSS Scores

CVSS 3.1 8.8
8.8
HIGH
CVSS 2.0 8.8

Additional Information

Source
security@mozilla.org
State
Analyzed

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