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8.8
Firefox 96 can experience crashes or remote takeover
published 5 days ago
Summary
The Firefox 96 web browser contains memory handling errors that could cause it to crash or let an attacker run unwanted code on a user's computer. This matters because it may expose personal data or disrupt work. Install the latest Firefox update as soon as possible to fix the issue.
What to do
- Update cleanstart firefox to version 97.0-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | firefox |
< 97.0-r0 Fix: upgrade to 97.0-r0
|
Original advisory text
Mozilla developers and community members Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera, Lars T Hansen, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96
Security vulnerability affects the firefox package. Mozilla developers and community members Gabriele Svelto, Sebastian Hengst, Randell Jesup, Luan Herrera, Lars T Hansen, and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 96.
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Timeline
Published30 Oct 2026
Updated31 Oct 2026
First seen31 Oct 2026
Sources
CLEANSTART-2024-QG50432 · OSV
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