Archive · 2 Feb 2026
Indian Govt Warns Firefox Users of Critical Security Risks
The Indian government has warned users of Mozilla Firefox and Thunderbird about serious security problems.
These issues can let bad people steal your data if you don't update your software.
The government's computer security team, CERT-In, says you should update to the latest version of Firefox and Thunderbird right away.
They also advise not to download apps from unknown sources or click on suspicious links.
This warning is important because it affects many people who use these products.
The Indian government has issued a high-severity alert for Mozilla Firefox and Thunderbird users.
Vulnerabilities can be exploited to steal data from affected users.
Affected versions include Firefox prior to 147.0.2 and Thunderbird prior to 140.7.1 and 147.0.1.
Users are advised to update to the latest versions of Mozilla products.
CERT-In recommends not installing apps from third-party sources or clicking on unknown links.
- Who
- Mozilla Firefox and Thunderbird users in India
- What
- Critical security vulnerabilities in Mozilla products
- When
- Alert issued on February 02, 2026
- Where
- India
- Why
- To prevent exploitation of vulnerabilities that could lead to data theft
- Affected Products
- Mozilla Firefox and Thunderbird
- Vulnerable Versions
- Firefox prior to 147.0.2, Thunderbird prior to 140.7.1 and 147.0.1
- Severity
- High
- Source of Alert
- CERT-In (Indian Computer Emergency Response Team)
- Recommended Action
- Update to the latest version of Mozilla products
- Date of Alert
- February 02, 2026