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

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Fixes

Solution

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Workaround

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History

Tue, 24 Feb 2026 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 24 Feb 2026 14:00:00 +0000

Type Values Removed Values Added
Description Use-after-free in the Storage: IndexedDB component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, and Firefox ESR < 140.8.
Title Use-after-free in the Storage: IndexedDB component
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-02-24T17:30:21.670Z

Reserved: 2026-02-19T15:05:44.343Z

Link: CVE-2026-2769

cve-icon Vulnrichment

Updated: 2026-02-24T14:21:05.548Z

cve-icon NVD

Status : Received

Published: 2026-02-24T14:16:25.287

Modified: 2026-02-24T15:21:39.503

Link: CVE-2026-2769

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses