8.1
Élevée
CVE-2026-12327 Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151
Description
Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Firefox 152 | premières → < 152 | 152 |
| Firefox 140.12 | premières → < 140.12 | 140.12 |
| Thunderbird 152 | premières → < 152 | 152 |
| Thunderbird 140.12 | premières → < 140.12 | 140.12 |
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