CVE-2025-1013
6.5
MEDIUM
CVSS 3.1
EPSS 0.25%
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.
How to fix CVE-2025-1013
To remediate CVE-2025-1013, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 128.7.0esr-1~deb11u1 or later
- —upgrade to 1:128.7.0esr-1~deb11u1 or later
Is CVE-2025-1013 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 128.7.0esr-1~deb11u1
- from 0, < 1:128.7.0esr-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |