vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-9078

Firefox iOS RTL Domain Rendering Issue in Link Preview

MEDIUM
5.4
CVSS Score
Published: May 25, 2026 at 02:05 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorFirefox

Using Firefox for iOS by Mozilla?

Get instant alerts when new vulnerabilities affect Firefox for iOS - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 151.1
Vendor states this is fixed in 151.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Permissions Required
Source: cverecord
https://bugzilla.mozilla.org/show_bug.cgi?id=2029371
Vendor Advisory
Source: cverecord
https://www.mozilla.org/security/advisories/mfsa2026-52/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-451

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card