6.5
Medium
CVE-2025-9183 Spoofing issue in the Address Bar component
Description
Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 142 | earliest → < 142 | 142 |
| Firefox 140.2 | earliest → < 140.2 | 140.2 |
| Firefox ESR 140.2 | earliest → < 140.2 | 140.2 |
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-2026-118026
Invalid pointer in the JavaScript: GC component
8.8
High
CVE-2026-118024
Use-after-free in the Graphics: Text component
8.8
High