Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 138 and Thunderbird 138.
Metrics
Affected Vendors & Products
References
History
Mon, 13 Apr 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 < 138 and Thunderbird < 138. | Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 138 and Thunderbird 138. |
| Title | firefox: thunderbird: Memory safety bugs fixed in Firefox 138 and Thunderbird 138 | Memory safety bugs fixed in Firefox 138 and Thunderbird 138 |
Fri, 09 May 2025 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox Mozilla thunderbird |
|
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* |
|
| Vendors & Products |
Mozilla
Mozilla firefox Mozilla thunderbird |
Thu, 01 May 2025 02:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | firefox: thunderbird: Memory safety bugs fixed in Firefox 138 and Thunderbird 138 | |
| Weaknesses | CWE-120 | |
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
Tue, 29 Apr 2025 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-119 | |
| Metrics |
cvssV3_1
|
Tue, 29 Apr 2025 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 < 138 and Thunderbird < 138. | |
| References |
|
Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2026-04-13T14:28:52.122Z
Reserved: 2025-04-29T13:13:48.785Z
Link: CVE-2025-4092
Updated: 2025-04-29T15:36:07.217Z
Status : Modified
Published: 2025-04-29T14:15:35.820
Modified: 2026-04-13T15:17:01.073
Link: CVE-2025-4092