CVE-2024-11698

Description

A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mode when a modal dialog was opened during the transition. This issue left users unable to exit fullscreen mode using standard actions like pressing "Esc" or accessing right-click menus, resulting in a disrupted browsing experience until the browser is restarted. *This bug only affects the application when running on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 128.5.0
mozilla	firefox	< 133.0
mozilla	thunderbird	< 128.5.0
mozilla	thunderbird	129.0 — 133.0
apple	macos	All

References

Advisories & Patches

https://www.mozilla.org/security/advisories/mfsa2024-63/ https://www.mozilla.org/security/advisories/mfsa2024-64/ https://www.mozilla.org/security/advisories/mfsa2024-67/ https://www.mozilla.org/security/advisories/mfsa2024-68/

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1916152

Frequently Asked Questions

What is 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 during the transition. This issue left users unable to exit fullscreen mode using standard actions like pressing "Esc" or accessing right-click menus, resulting in a disrupted browsing experience until the browser is restarted. *This bug only affects the application when running on macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-11698? +

CVE-2024-11698 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-11698? +

CVE-2024-11698 affects products from apple, mozilla, specifically: firefox, macos, thunderbird. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-11698? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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