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NVD Vulnerability Details :
CVE-2025-11715
Modified
More InfoOfficial Page
Source-security@mozilla.org
View Known Exploited Vulnerability (KEV) details
Published At-14 Oct, 2025 | 13:15
Updated At-13 Apr, 2026 | 15:16

Memory safety bugs present in 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 140.4, Thunderbird 144, and Thunderbird 140.4.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CPE Matches
Mozilla Corporation
mozilla
>>firefox>>Versions before 140.4.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>firefox>>Versions before 144.0(exclusive)
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 140.4.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:*
Mozilla Corporation
mozilla
>>thunderbird>>Versions before 144.0(exclusive)
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-119
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899security@mozilla.org
Broken Link
Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2025-81/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-83/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-84/security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-85/security@mozilla.org
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00015.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
https://lists.debian.org/debian-lts-announce/2025/10/msg00031.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899
Source: security@mozilla.org
Resource:
Broken Link
Issue Tracking
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-81/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-83/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-84/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://www.mozilla.org/security/advisories/mfsa2025-85/
Source: security@mozilla.org
Resource:
Vendor Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Change History
0Changes found
Details not found