CVE-2025-11715
Detail
Modified After Enrichment
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current Description
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.
View Analysis Description
Analysis
Description
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 affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Base
Score:
NVD assessment
not yet provided.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Base
Score:
NVD assessment
not yet provided.
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID |
CWE Name |
Source |
|
CWE-119
|
Improper Restriction of Operations within the Bounds of a Memory Buffer |
CISA-ADP
|
Change History
7 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 4:31:02 AM
| Action |
Type |
Old Value |
New Value |
| Added |
SSVC |
{"timestamp":"2025-10-21T03:55:16.986907Z","id":"CVE-2025-11715","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
|
CVE Modified by Mozilla Corporation
6/17/2026 4:31:02 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Affected |
[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.4","lessThanOrEqual":"140.*","versionType":"rpm","status":"unaffected"},{"version":"144","lessThanOrEqual":"*","versionType":"rpm","status":"unaffected"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.4","lessThanOrEqual":"140.*","versionType":"rpm","status":"unaffected"},{"version":"144","lessThanOrEqual":"*","versionType":"rpm","status":"unaffected"}]}]
|
CVE Modified by Mozilla Corporation
4/13/2026 11:16:40 AM
| Action |
Type |
Old Value |
New Value |
| Changed |
Description |
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 affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
|
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.
|
CVE Modified by CVE
11/03/2025 1:15:48 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
|
| Added |
Reference |
https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
|
Initial Analysis by NIST
10/16/2025 9:41:32 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
OR
*cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* versions up to (excluding) 144.0
*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* versions up to (excluding) 144.0
*cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* versions up to (excluding) 140.4.0
*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* versions up to (excluding) 140.4.0
|
| Added |
Reference Type |
Mozilla Corporation: https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899 Types: Broken Link, Issue Tracking
|
| Added |
Reference Type |
Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2025-81/ Types: Vendor Advisory
|
| Added |
Reference Type |
Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2025-83/ Types: Vendor Advisory
|
| Added |
Reference Type |
Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2025-84/ Types: Vendor Advisory
|
| Added |
Reference Type |
Mozilla Corporation: https://www.mozilla.org/security/advisories/mfsa2025-85/ Types: Vendor Advisory
|
CVE Modified by CISA-ADP
10/15/2025 10:15:41 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| Added |
CWE |
CWE-119
|
New CVE Received from Mozilla Corporation
10/14/2025 9:15:37 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Description |
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 affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
|
| Added |
Reference |
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1983838%2C1987624%2C1988244%2C1988912%2C1989734%2C1990085%2C1991899
|
| Added |
Reference |
https://www.mozilla.org/security/advisories/mfsa2025-81/
|
| Added |
Reference |
https://www.mozilla.org/security/advisories/mfsa2025-83/
|
| Added |
Reference |
https://www.mozilla.org/security/advisories/mfsa2025-84/
|
| Added |
Reference |
https://www.mozilla.org/security/advisories/mfsa2025-85/
|
Quick Info
CVE Dictionary Entry: CVE-2025-11715 NVD
Published Date: 10/14/2025 NVD
Last Modified: 06/17/2026
Source: Mozilla Corporation
|
