CVE-2025-9180HIGH 8.1EPSS p13.7%

CVE-2025-9180CVE-2025-9180

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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS0.23% probability of exploitation · percentile 13.7% · 2026-06-19T12:03:05Z
Published2025-08-19
Last modified2026-04-13

Underlying weaknesses· 1

CWE-346

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1979782
  2. https://www.mozilla.org/security/advisories/mfsa2025-64/
  3. https://www.mozilla.org/security/advisories/mfsa2025-65/
  4. https://www.mozilla.org/security/advisories/mfsa2025-66/
  5. https://www.mozilla.org/security/advisories/mfsa2025-67/
  6. https://www.mozilla.org/security/advisories/mfsa2025-70/
  7. https://www.mozilla.org/security/advisories/mfsa2025-71/
  8. https://www.mozilla.org/security/advisories/mfsa2025-72/

1

TypeTargetConfidenceTier
WeaknessOrigin Validation Errorcwe-3460%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.