CVE-2025-1013

Severity CVSS v4.0:
Pending analysis
Type:
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
04/02/2025
Last modified:
13/04/2026

Description

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. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* 128.7.0 (excluding)
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 135.0 (excluding)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 128.7.0 (excluding)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* 129.0 (including) 135.0 (excluding)