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CVE

CVE-2024-11698

A flaw in handling fullscreen transitions may have inadvertently caused the application to become stuck in fullscreen mo

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.

CRITICAL · CVSS 9.8 EPSS 0.0024
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules9 YARA rules0
▤

Affected Products & Versions

4
mozilla firefox< 128.5.0
mozilla firefox< 133.0
mozilla thunderbird< 128.5.0
mozilla thunderbird>= 129.0 and < 133.0
◈

Sigma Hunt Rules

9
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSQLite Firefox Profile Data DB Access
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · security@mozilla.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Nov 2024 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

7
suse-csafopenSUSE-SU-2024:14583-1
suse-csafopenSUSE-SU-2024:14572-1
suse-csafSUSE-SU-2024:4148-1
suse-csafopenSUSE-SU-2024:14533-1
suse-csafSUSE-SU-2024:4086-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.mozilla.org/show_bug.cgi?id=1916152Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-63/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-64/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-67/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-68/Vendor Advisory
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