Mozilla · Thunderbird · CVE-2025-10533
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 143
Firefox ESR versions prior to 115.28
Firefox ESR versions prior to 140.3
Thunderbird versions prior to 143
Thunderbird versions prior to 140.3
**Description**
The software contains a flaw.
**Recommendations**
Update Firefox to version 143 or later.
Update Firefox ESR to version 115.28 or later.
Update Firefox ESR to version 140.3 or later.
Update Thunderbird to version 143 or later.
Update Thunderbird to version 140.3 or later.