CVE-2026-86853

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1...

CVE-2026-86853 Repeated external URL scheme launches could potentially cause a denial of service in Firefox for iOS

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1...

CVE-2026-86853 Repeated external URL scheme launches could potentially cause a denial of service in Firefox for iOS

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1...

CVE-2026-86853

A malicious webpage can repeatedly trigger external URL schemes in Firefox for iOS , leading to frequent system prompts or the launching of external applications. This behavior can result in a denial of service by making the browser temporarily unusable until the page is closed. This vulnerabilit...

EUVD-2026-72875

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1...

PT-2026-87136

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1...

CVE-2026-86853: User Interface (UI) Misrepresentation of Critical Information

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed. This vulnerability was fixed in Firefox for iOS 155.1...

Security Vulnerabilities fixed in Firefox for iOS 155.1 — Mozilla

A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make Firefox for iOS temporarily unusable until the page is closed...

CVE-2026-81267

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

CVE-2026-81267 Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

CVE-2026-81267

The Firefox for iOS browser is affected by a vulnerability where a malicious webpage can stall a popup's cross-origin navigation after a commit. This allows the address bar to display the intended destination origin while the browser continues to render content controlled by the attacker, potenti...

CVE-2026-81267 Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

EUVD-2026-68739

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

PT-2026-83973

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

Security Vulnerabilities fixed in Firefox for iOS 155.0 — Mozilla

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content...

CVE-2026-81267: User Interface (UI) Misrepresentation of Critical Information

A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0...

CVE-2026-14906 Malicious webpage titles could allow overwriting of bundled PDF resources when saving webpages as PDFs in Firefox for iOS

Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4...

CVE-2026-14906: Unrestricted Upload of File with Dangerous Type

Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4...

PT-2026-57854

Pages with malicious titles could potentially allow saved PDF content to overwrite PDF files or bundled content within the Firefox for iOS application sandbox. This vulnerability was fixed in Firefox for iOS 152.4...

CVE-2026-13356: User Interface (UI) Misrepresentation of Critical Information

A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 152.3...