CVE-2025-14322HIGH 8.0EPSS p19.1%

CVE-2025-14322CVE-2025-14322

Description

Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 146, Firefox ESR 115.31, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Scoring

CVSS 3.18.0 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS0.28% probability of exploitation · percentile 19.1% · 2026-06-19T12:03:05Z
Published2025-12-09
Last modified2026-04-13

Underlying weaknesses· 1

CWE-754

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1996473
  2. https://www.mozilla.org/security/advisories/mfsa2025-92/
  3. https://www.mozilla.org/security/advisories/mfsa2025-93/
  4. https://www.mozilla.org/security/advisories/mfsa2025-94/
  5. https://www.mozilla.org/security/advisories/mfsa2025-95/
  6. https://www.mozilla.org/security/advisories/mfsa2025-96/

1

TypeTargetConfidenceTier
WeaknessImproper Check for Unusual or Exceptional Conditionscwe-7540%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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