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...

EUVD-2026-43521

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...

EUVD-2026-41972

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...

CVE-2026-13356 Interrupted navigation could allow address bar origin spoofing in Firefox for iOS

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...

CVE-2026-13356

A malicious webpage can exploit a vulnerability in Firefox for iOS by enqueuing a synchronous JavaScript dialog to interrupt a pending navigation. This results in a UI misrepresentation where the address bar displays the destination origin while the browser continues to render attacker-controlled...

PT-2026-56041

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...

Security Vulnerabilities fixed in Firefox for iOS 152.3 — Mozilla

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...

Mozilla Firefox for iOS: Input validation error vulnerability (CNVD-2026-26110)

Mozilla Firefox for iOS is a mobile web browser developed by the Mozilla Foundation. Mozilla Firefox for iOS has a vulnerability related to input validation. This vulnerability arises from using partial domain matching when attaching cookies to PDF requests. An attacker can exploit this...

CVE-2026-53900

Firefox for iOS preserved cookies set on the initial PDF request across cross-origin HTTP redirects in TemporaryDocument, allowing a malicious site to inject arbitrary cookies into requests to an unrelated target domain. This vulnerability was fixed in Firefox for iOS 152.0...

CVE-2026-53900

Firefox for iOS is vulnerable to an input validation error where the TemporaryDocument component preserves cookies set on an initial PDF request during cross-origin HTTP redirects. This flaw allows a malicious site to perform arbitrary cookie injection into requests directed at unrelated target d...

CVE-2026-53899

Firefox for iOS is affected by an input validation vulnerability where it used partial domain matching when attaching cookies to PDF requests. This flaw allows a malicious site on a suffix domain to receive cookies belonging to the target site. The issue was addressed in Firefox for iOS 152.0 . N...

CVE-2026-53899 Cross-origin cookies could be leaked when opening a PDF link

Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. This vulnerability was fixed in Firefox for iOS 152.0...

CVE-2026-53899

Firefox for iOS used partial domain matching when attaching cookies to PDF requests, allowing a malicious site on a suffix domain to receive cookies belonging to the target site. This vulnerability was fixed in Firefox for iOS 152.0...

CVE-2026-9308

Firefox for iOS Reader View replaced page content in its HTML template before replacing other internal placeholders. A malicious page could include a placeholder string that was later substituted with JSON-LD data, potentially resulting in arbitrary JavaScript execution. This vulnerability was...

CVE-2026-8706

Firefox for iOS hosted Reader mode on an unauthenticated local web server, allowing another application on the same device to request arbitrary URLs and receive the response rendered with the signed-in user's cookies. This vulnerability was fixed in Firefox for iOS 151.0...

CVE-2026-9309

Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScrip...

CVE-2026-9309 Arbitrary JavaScript execution in internal pages via Reader View JSON-LD injection

Firefox for iOS Reader View did not properly escape HTML tags in JSON-LD metadata. A malicious page could inject markup that changed Reader View behavior and leaked sensitive URL parameters. These parameters could then be used to access internal pages, potentially resulting in arbitrary JavaScrip...

CVE-2026-9309

The Firefox for iOS Reader View fails to properly escape HTML tags in JSON-LD metadata , allowing a malicious page to inject markup. This injection can alter Reader View behavior and leak sensitive URL parameters , which may be leveraged to access internal pages. This could potentially result in ...

CVE-2026-9078 Firefox iOS RTL Domain Rendering Issue in Link Preview

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...

CVE-2026-9078

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...