8.1
High
CVE-2025-9184 Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141
Description
Memory safety bugs present in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 142, Firefox ESR 140.2, Thunderbird 142, and Thunderbird 140.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 142 | earliest → < 142 | 142 |
| Firefox 140.2 | earliest → < 140.2 | 140.2 |
| Firefox ESR 140.2 | earliest → < 140.2 | 140.2 |
| Thunderbird 142 | earliest → < 142 | 142 |
| Thunderbird 140.2 | earliest → < 140.2 | 140.2 |
References
- Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142 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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