CVE-2025-11710CRITICAL 9.8EPSS p30.2%

CVE-2025-11710CVE-2025-11710

Description

A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 30.2% · 2026-06-18T12:00:27Z
Published2025-10-14
Last modified2026-04-13

Underlying weaknesses· 1

CWE-200

References

  1. https://bugzilla.mozilla.org/show_bug.cgi?id=1989899
  2. https://www.mozilla.org/security/advisories/mfsa2025-81/
  3. https://www.mozilla.org/security/advisories/mfsa2025-82/
  4. https://www.mozilla.org/security/advisories/mfsa2025-83/
  5. https://www.mozilla.org/security/advisories/mfsa2025-84/
  6. https://www.mozilla.org/security/advisories/mfsa2025-85/
  7. https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
  8. https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html

1

TypeTargetConfidenceTier
WeaknessExposure of Sensitive Information to an Unauthorized Actorcwe-2000%live

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