Non notée
CVE-2020-26959 During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a…
Description
During browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Firefox 83 | premières → < 83 | 83 |
| Firefox ESR 78.5 | premières → < 78.5 | 78.5 |
| Thunderbird 78.5 | premières → < 78.5 | 78.5 |
Autres CVE de Firefox
Les 2221 CVE de Firefox →
CVE-2026-120572
Incorrect boundary conditions in the Layout: Block and Inline component
8.8
Élevée
CVE-2026-118027
Frame poisoning in the Layout component
9.1
Critique
CVE-2026-118024
Use-after-free in the Graphics: Text component
8.8
Élevée
CVE-2026-118025
Other issue in the SVG component
8.8
Élevée