Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.
Metrics
Affected Vendors & Products
References
History
Wed, 10 Dec 2025 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-787 | |
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
Wed, 10 Dec 2025 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox Mozilla firefox Esr Mozilla thunderbird |
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| Vendors & Products |
Mozilla
Mozilla firefox Mozilla firefox Esr Mozilla thunderbird |
Wed, 10 Dec 2025 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 < 146 and Firefox ESR < 140.6. | Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6. |
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Wed, 10 Dec 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
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| References |
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| Metrics |
threat_severity
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threat_severity
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Tue, 09 Dec 2025 16:15:00 +0000
| Type | Values Removed | Values Added |
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| Metrics |
cvssV3_1
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Tue, 09 Dec 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. 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 < 146 and Firefox ESR < 140.6. | |
| Title | Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2025-12-09T13:38:09.979Z
Updated: 2025-12-10T14:32:22.749Z
Reserved: 2025-12-09T13:38:09.392Z
Link: CVE-2025-14333
Updated: 2025-12-09T15:24:55.888Z
Status : Analyzed
Published: 2025-12-09T16:17:40.990
Modified: 2025-12-10T20:10:17.537
Link: CVE-2025-14333