firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10.1 and Firefox 150.0.1

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort som...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component...

firefox: thunderbird: Information disclosure due to incorrect boundary conditions in the Audio/Video component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure due to incorrect boundary conditions in the Audio/Video component...

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-2026-9308

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-2026-9309 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 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

CVE-2026-9309 affects Firefox for iOS Reader View. The issue is improper escaping of HTML tags in JSON-LD metadata, enabling a malicious page to inject markup that leaks sensitive URL parameters and could lead to arbitrary JavaScript execution in an internal origin. Impact is described as access ...

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...

EUVD-2026-33630

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-2026-9308 Arbitrary JavaScript execution in Reader View due to wrong HTML replacement order

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-2026-9308

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-2026-9308

CVE-2026-9308 affects Firefox for iOS Reader View. The issue occurs when HTML templates are processed before internal placeholders are replaced, allowing a malicious page to substitute a placeholder with JSON-LD data and potentially execute arbitrary JavaScript. The fix is in Firefox for iOS 151....

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...

EUVD-2026-33629

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-2026-9308 Arbitrary JavaScript execution in Reader View due to wrong HTML replacement order

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...

SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2026:2109-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2109-1 advisory. This update for MozillaFirefox fixes the following issues Update to Firefox Extended Support Release 140.11.0...

ALSA-2026:22325 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component CVE-2026-8391 firefox: Sandbox escape in the Profile Backup component...

Mozilla Firefox for iOS 安全漏洞

Mozilla Firefox for iOS is a web browser designed for iOS devices by the Mozilla Foundation in the United States. Versions of Mozilla Firefox for iOS prior to 151.2 contained a security vulnerability. This vulnerability stemmed from Reader View replacing the page content in the HTML template befo...