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CVE-2026-2634— Spoofed web content presented under trusted domains using scripted navigation on Firefox iOS

EPSS 0.07% · P20
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I. Basic Information for CVE-2026-2634

Vulnerability Information
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Vulnerability Title
Spoofed web content presented under trusted domains using scripted navigation on Firefox iOS
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox for iOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox for iOS是美国Mozilla基金会的一款针对iOS设备设计的网页浏览器。 Mozilla Firefox for iOS 147.4之前版本存在安全漏洞，该漏洞源于恶意脚本可在收到响应前导致地址栏与Web内容不同步，可能导致攻击者控制的页面在欺骗域名下呈现。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MozillaFirefox for iOS 147.4 ~ * -

II. Public POCs for CVE-2026-2634

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III. Intelligence Information for CVE-2026-2634

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Same Patch Batch · Mozilla · 2026-02-24 · 52 CVEs total

CVE-2026-2772Use-after-free in the Audio/Video: Playback component
CVE-2026-2757Incorrect boundary conditions in the WebRTC: Audio/Video component
CVE-2026-2758Use-after-free in the JavaScript: GC component
CVE-2026-2764JIT miscompilation, use-after-free in the JavaScript Engine: JIT component
CVE-2026-2760Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component
CVE-2026-2761Sandbox escape in the Graphics: WebRender component
CVE-2026-2762Integer overflow in the JavaScript: Standard Library component
CVE-2026-2759Incorrect boundary conditions in the Graphics: ImageLib component
CVE-2026-2770Use-after-free in the DOM: Bindings (WebIDL) component
CVE-2026-2771Undefined behavior in the DOM: Core & HTML component
CVE-2026-2769Use-after-free in the Storage: IndexedDB component
CVE-2026-2773Incorrect boundary conditions in the Web Audio component
CVE-2026-2774Integer overflow in the Audio/Video component
CVE-2026-2775Mitigation bypass in the DOM: HTML Parser component
CVE-2026-2776Sandbox escape due to incorrect boundary conditions in the Telemetry component in External
CVE-2026-2777Privilege escalation in the Messaging System component
CVE-2026-2778Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component
CVE-2026-2779Incorrect boundary conditions in the Networking: JAR component
CVE-2026-2780Privilege escalation in the Netmonitor component
CVE-2026-2781Integer overflow in the Libraries component in NSS

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Firefox for iOS
Same vendor: Mozilla

V. Comments for CVE-2026-2634

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