Non notée
CVE-2021-23987 Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 86 and Firefox ESR 78.8. 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 ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Firefox ESR 78.9 | premières → < 78.9 | 78.9 |
| Firefox 87 | premières → < 87 | 87 |
| Thunderbird 78.9 | premières → < 78.9 | 78.9 |
Autres CVE de Firefox ESR
Les 833 CVE de Firefox ESR →
CVE-2026-5734
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1
8.1
Élevée
CVE-2026-5732
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