CVE-2025-1013: Race Condition
First published: Tue Feb 04 2025(Updated: )
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.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <128.7 | 128.7 |
| Mozilla Thunderbird | <135 | 135 |
| Mozilla Firefox | <135 | 135 |
| Mozilla Thunderbird | <128.7 | 128.7 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1932555
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-09/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-11/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-07/
- https://www.mozilla.org/en-US/security/advisories/mfsa2025-10/
- https://www.mozilla.org/security/advisories/mfsa2025-07/
- https://www.mozilla.org/security/advisories/mfsa2025-09/
- https://www.mozilla.org/security/advisories/mfsa2025-10/
- https://www.mozilla.org/security/advisories/mfsa2025-11/
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2025-1013?
CVE-2025-1013 has been identified as a medium severity vulnerability related to potentially exposing private browsing tabs.
How do I fix CVE-2025-1013?
To remediate CVE-2025-1013, update Mozilla Firefox or Thunderbird to versions 135 or 128.7, respectively.
What is the nature of the vulnerability CVE-2025-1013?
CVE-2025-1013 is caused by a race condition that could lead to the opening of private browsing tabs in normal browsing windows.
Which versions are affected by CVE-2025-1013?
CVE-2025-1013 affects Firefox ESR versions up to 128.7 and both Firefox and Thunderbird versions up to 135.
Can CVE-2025-1013 impact user privacy?
Yes, CVE-2025-1013 could result in potential privacy leaks by exposing content from private browsing sessions.
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