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Description

'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.

PUBLISHED Reserved 2025-08-19 | Published 2025-08-19 | Updated 2025-08-20 | Assigner mozilla

Problem types

Same-origin policy bypass in the Graphics: Canvas2D component

Product status

Any version before 142
affected

Any version before 115.27
affected

Any version before 128.14
affected

Any version before 140.2
affected

Any version before 142
affected

Any version before 128.14
affected

Any version before 140.2
affected

Credits

Tom Van Goethem

References

bugzilla.mozilla.org/show_bug.cgi?id=1979782

www.mozilla.org/security/advisories/mfsa2025-64/

www.mozilla.org/security/advisories/mfsa2025-65/

www.mozilla.org/security/advisories/mfsa2025-66/

www.mozilla.org/security/advisories/mfsa2025-67/

www.mozilla.org/security/advisories/mfsa2025-70/

www.mozilla.org/security/advisories/mfsa2025-71/

www.mozilla.org/security/advisories/mfsa2025-72/

cve.org (CVE-2025-9180)

nvd.nist.gov (CVE-2025-9180)

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