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CVE-2025-9180 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://lists.debian.org/debian-lts-announce/2025/08/msg00016.html	CVE
https://lists.debian.org/debian-lts-announce/2025/08/msg00018.html	CVE
https://bugzilla.mozilla.org/show_bug.cgi?id=1979782	[email protected]	Issue TrackingPermissions Required
https://www.mozilla.org/security/advisories/mfsa2025-64/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-65/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-66/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-67/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-70/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-71/	[email protected]	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-72/	[email protected]	Vendor Advisory

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-346	Origin Validation Error	CISA-ADP

Affected Products

Product	Versions
mozilla firefox	< 115.27.0 < 142.0 >= 128.0, < 128.14.0 >= 140.0, < 140.2.0
CPE cpe:2.3:a:mozilla:firefox:::::esr:::* cpe:2.3:a:mozilla:firefox:::::-:::* Remediation No remediation found in references.
mozilla thunderbird	< 128.14.0 < 142.0 >= 140.0, < 140.2.0
CPE cpe:2.3:a:mozilla:thunderbird:::::esr:::* cpe:2.3:a:mozilla:thunderbird:::::-:::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 13, 2026	CVE Modified	[email protected]
Nov 3, 2025	CVE Modified	CVE
Oct 30, 2025	CVE Modified	[email protected]
Aug 21, 2025	Initial Analysis	[email protected]
Aug 20, 2025	CVE Modified	CISA-ADP
Aug 19, 2025	New CVE Received	[email protected]