CVE-2026-9078
Last modified
CVE-2026-9078 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
Firefox for iOS displayed specially crafted right-to-left (RTL) and internationalized domain names (IDNs) incorrectly in link preview UI surfaces. A crafted RTL hostname could visually reorder portions of the displayed domain, causing attacker-controlled sites to appear as trusted origins. This vulnerability was fixed in Firefox for iOS 151.1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 151.1 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2029371Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-52/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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