CVE-2024-11698

A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal dialog was opened…

Critical · published November 26, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
52.2
In the wild
Unconfirmed
What it is

🔥 A fullscreen mode bug has trapped macOS users in their browsers! When a modal dialog pops up during transitions, the exit button just vanishes like a magician's trick! Think of it like a restaurant where you’re stuck in the kitchen during a busy dinner rush with no way to leave while the staff is frantically preparing orders. You can’t get out until they figure out the chaos! This critical vulnerability can leave users unable to escape fullscreen mode, forcing them to restart their browsers for relief. It's absolutely devastating when you just want to browse peacefully but find yourself trapped in a never-ending fullscreen experience!

Put simply

Think of it like a restaurant where you’re stuck in the kitchen during a busy dinner rush with no way to leave while the staff is frantically preparing orders. You can’t get out until they figure out the chaos! This flaw in Firefox and Thunderbird on macOS can cause the application to get stuck in fullscreen mode when a modal dialog appears during the transition, preventing users from using familiar actions like pressing 'Esc' or accessing right-click menus.

What to do

This critical vulnerability can leave users unable to escape fullscreen mode, forcing them to restart their browsers for relief. It's absolutely devastating when you just want to browse peacefully but find yourself trapped in a never-ending fullscreen experience! To address this issue, update Firefox to version 133 or later and Thunderbird to version 133 or later. If you're using an ESR version, upgrade to Firefox ESR 128.5 or higher. Don't let this bug ruin your browsing fun! You've got this! With these updates, you’ll regain control of your browsing experience in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00688 · 52.2th percentile
Published
2024-11-26T13:34Z
EPSS history
Timeline
  • 26 NOV 13:34Z
    A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal dialog was opened…
    cvelistv5