CVE-2025-11710

CRITICAL EPSS 30.3%
Published Oct 14, 20258mo ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Oct 14, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
30.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 5

VendorProductVersionRange
mozillafirefox* <115.29.0
mozillafirefox* <144.0
mozillafirefox*≥116.0  –  <140.4.0
mozillathunderbird* <140.4.0
mozillathunderbird*≥141.0  –  <144.0

References 8

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1989899
    Issue TrackingPermissions Required
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-81/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-82/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-83/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-84/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-85/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.