8.8
Élevée
CVE-2023-6858 Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling
Description
Firefox was susceptible to a heap buffer overflow in `nsTextFragment` due to insufficient OOM handling. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Firefox ESR 115.6 | premières → < 115.6 | 115.6 |
| Thunderbird 115.6 | premières → < 115.6 | 115.6 |
| Firefox 121 | premières → < 121 | 121 |
Autres CVE de Firefox ESR
Les 833 CVE de Firefox ESR →
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8.1
Élevée
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Incorrect boundary conditions, integer overflow in the Graphics: Text component
8.8
Élevée
CVE-2026-5731
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and…
9.8
Critique
CVE-2026-2447
Heap buffer overflow in libvpx
8.8
Élevée