CVE-2025-11714

HIGH EPSS 22.2%
Published Oct 14, 20258mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Oct 14, 2025 8mo ago
Last Modified Jun 17, 2026 1w ago

Description

Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
22.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-125 Out-of-bounds Read Memory Safety
CWE-787 Out-of-bounds Write Memory Safety

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/buglist.cgi?bug_id=1973699%2C1989945%2C1990970%2C1991040%2C1992113
    Broken LinkIssue Tracking
  • 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.