CVE-2025-1930HIGH 8.8EPSS p31.7%

CVE-2025-1930CVE-2025-1930

Description

On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 31.7% · 2026-08-03T12:00:16Z
Published2025-03-04
Last modified2026-04-13

Underlying weaknesses· 1

CWE-416

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1902309
  2. https://www.mozilla.org/security/advisories/mfsa2025-14/
  3. https://www.mozilla.org/security/advisories/mfsa2025-15/
  4. https://www.mozilla.org/security/advisories/mfsa2025-16/
  5. https://www.mozilla.org/security/advisories/mfsa2025-17/
  6. https://www.mozilla.org/security/advisories/mfsa2025-18/

1

TypeTargetConfidenceTier
WeaknessUse After Freecwe-4160%live

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