9.8
Critical
CVE-2026-2634 Malicious scripts could cause desynchronization between the address bar and web content before a response is received in…
Description
Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability was fixed in Firefox for iOS 147.4.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox for iOS 147.4 | earliest → < 147.4 | 147.4 |
Other CVEs of Firefox for iOS
The 60 CVEs of Firefox for iOS →
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5.4
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5.4
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5.5
Medium
CVE-2026-103418
Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing…
8.8
High