8.1
High
CVE-2025-14333 Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145
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 was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 146 | earliest → < 146 | 146 |
| Firefox 140.6 | earliest → < 140.6 | 140.6 |
| Firefox ESR 140.6 | earliest → < 140.6 | 140.6 |
| Thunderbird 146 | earliest → < 146 | 146 |
| Thunderbird 140.6 | earliest → < 140.6 | 140.6 |
References
- Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146 bugzilla.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
- www.mozilla.org www.mozilla.org
Timeline
- Published
- Last modified
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