CVE-2024-9398

By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1881037	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2024-46/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-47/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-49/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-50/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::
	cpe:2.3:a:mozilla:thunderbird:129.0:beta::::::
	cpe:2.3:a:mozilla:thunderbird:129.0:beta2::::::
	cpe:2.3:a:mozilla:thunderbird:129.0:beta3::::::
	cpe:2.3:a:mozilla:thunderbird:129.0:beta4::::::
	cpe:2.3:a:mozilla:thunderbird:129.0:beta5::::::
	cpe:2.3:a:mozilla:thunderbird:129.0:beta6::::::

History

08 Oct 2026, 15:37

Type	Values Removed	Values Added
CPE	cpe:2.3:a:mozilla:firefox_esr::::::::	cpe:2.3:a:mozilla:firefox:::::esr:::*

Information

Published : 2024-10-01 16:15

Updated : 2026-10-08 15:37

NVD link : CVE-2024-9398

Mitre link : CVE-2024-9398

CVE.ORG link : CVE-2024-9398

JSON object : View

Products Affected

mozilla

firefox
thunderbird

CWE

NVD-CWE-noinfo CWE-203

Observable Discrepancy

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This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131."}, {"lang": "es", "value": "Al comprobar el resultado de las llamadas a `window.open` con controladores de protocolos configurados espec\u00edficamente, un atacante podr\u00eda determinar si la aplicaci\u00f3n que implementa ese controlador de protocolo est\u00e1 instalada. 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