CVE-2025-1013

firefox: thunderbird: Potential opening of private browsing tabs in normal browsing windows

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Severity

Low

Red Hat Product Security

4.3

CVSS 3.1

Review impact separately from score.

Published · February 4, 2025

Updated · April 14, 2026

Description

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')