Not rated
CVE-2023-6871 Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler
Description
Under certain conditions, Firefox did not display a warning when a user attempted to navigate to a new protocol handler. This vulnerability affects Firefox < 121.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 121 | earliest → < 121 | 121 |
Other CVEs of Firefox
The 2221 CVEs of Firefox →
CVE-2026-120572
Incorrect boundary conditions in the Layout: Block and Inline component
8.8
High
CVE-2026-118027
Frame poisoning in the Layout component
9.1
Critical
CVE-2026-118024
Use-after-free in the Graphics: Text component
8.8
High
CVE-2026-118026
Invalid pointer in the JavaScript: GC component
8.8
High