CVE-2025-9180

Same-origin policy bypass in the Graphics: Canvas2D component. This vulnerability affects Firefox < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1979782	Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-64/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-65/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-66/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-67/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-70/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-71/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-72/	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html
https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:firefox:::::-:::*
	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:firefox:::::esr:::*
	cpe:2.3:a:mozilla:thunderbird:::::esr:::*
	cpe:2.3:a:mozilla:thunderbird:::::-:::*
	cpe:2.3:a:mozilla:thunderbird:::::esr:::*

History

03 Nov 2025, 19:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html - () https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html -

Information

Published : 2025-08-19 21:15

Updated : 2025-11-03 19:16

NVD link : CVE-2025-9180

Mitre link : CVE-2025-9180

CVE.ORG link : CVE-2025-9180

JSON object : View

Products Affected

mozilla

thunderbird
firefox

CWE

CWE-346

Origin Validation Error

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