9.1
Critique
CVE-2025-6427 An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments
Description
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Firefox 140 | premières → < 140 | 140 |
| Thunderbird 140 | premières → < 140 | 140 |
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-2026-118026
Invalid pointer in the JavaScript: GC component
8.8
Élevée