Firefox

Chrome and Firefox Updated to Patch Critical, High-Severity Vulnerabilities

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Chrome and Firefox Updated to Patch Critical, High-Severity Vulnerabilities 2026-06-17 at 11:21 By Ionut Arghire The browser updates address multiple memory safety bugs that could potentially lead to remote code execution. The post Chrome and Firefox Updated to Patch Critical, High-Severity Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original […]

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What Mozilla learned running an AI security bug hunting pipeline on Firefox

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What Mozilla learned running an AI security bug hunting pipeline on Firefox 2026-05-08 at 01:14 By Mirko Zorz Over the past several months, Mozilla ran an agentic harness powered by Claude Mythos Preview across Firefox’s source code, identifying 271 security bugs that were fixed in Firefox 150, with additional fixes shipped in versions 149.0.2 and

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Firefox Vulnerability Allows Tor User Fingerprinting

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Firefox Vulnerability Allows Tor User Fingerprinting 2026-04-27 at 11:49 By Eduard Kovacs The vulnerability is tracked as CVE-2026-6770 and it has been patched with the release of Firefox 150 and Tor 15.0.10. The post Firefox Vulnerability Allows Tor User Fingerprinting appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Claude Mythos Finds 271 Firefox Vulnerabilities

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Claude Mythos Finds 271 Firefox Vulnerabilities 2026-04-22 at 14:47 By Eduard Kovacs All the flaws could have also been found by an elite human researcher, according to Mozilla. The post Claude Mythos Finds 271 Firefox Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Chrome 144, Firefox 147 Patch High-Severity Vulnerabilities

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Chrome 144, Firefox 147 Patch High-Severity Vulnerabilities 2026-01-14 at 11:50 By Ionut Arghire The two browser updates resolve 26 security defects, including bugs that could be exploited for code execution. The post Chrome 144, Firefox 147 Patch High-Severity Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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GhostPoster Firefox Extensions Hide Malware in Icons

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GhostPoster Firefox Extensions Hide Malware in Icons 2025-12-17 at 12:47 By Ionut Arghire The malware hijacks purchase commissions, tracks users, removes security headers, injects hidden iframes, and bypasses CAPTCHA. The post GhostPoster Firefox Extensions Hide Malware in Icons appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Firefox 145 and Chrome 142 Patch High-Severity Flaws in Latest Releases

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Firefox 145 and Chrome 142 Patch High-Severity Flaws in Latest Releases 2025-11-13 at 07:38 By Ionut Arghire Google and Mozilla have released fresh Chrome and Firefox updates that address multiple high-severity security defects. The post Firefox 145 and Chrome 142 Patch High-Severity Flaws in Latest Releases appeared first on SecurityWeek. This article is an excerpt

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New Firefox Protections Halve the Number of Trackable Users

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New Firefox Protections Halve the Number of Trackable Users 2025-11-11 at 16:59 By Ionut Arghire Mozilla has implemented fresh fingerprinting protections to prevent hidden trackers from identifying Firefox users. The post New Firefox Protections Halve the Number of Trackable Users appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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New Firefox Extensions Required to Disclose Data Collection Practices

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New Firefox Extensions Required to Disclose Data Collection Practices 2025-10-27 at 14:32 By Ionut Arghire All new extensions will be required to declare their data collection practices in their manifest file using a specific key. The post New Firefox Extensions Required to Disclose Data Collection Practices appeared first on SecurityWeek. This article is an excerpt

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Chrome 141 and Firefox 143 Patches Fix High-Severity Vulnerabilities

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Chrome 141 and Firefox 143 Patches Fix High-Severity Vulnerabilities 2025-10-03 at 11:44 By Ionut Arghire High-severity flaws were patched in Chrome’s WebGPU and Video components, and in Firefox’s Graphics and JavaScript Engine components. The post Chrome 141 and Firefox 143 Patches Fix High-Severity Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek

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High-Severity Vulnerabilities Patched in Chrome, Firefox

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High-Severity Vulnerabilities Patched in Chrome, Firefox 2025-08-20 at 11:19 By Ionut Arghire Google and Mozilla have released patches for multiple high-severity vulnerabilities affecting Chrome and Firefox. The post High-Severity Vulnerabilities Patched in Chrome, Firefox appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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High-Severity Flaws Patched in Chrome, Firefox

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High-Severity Flaws Patched in Chrome, Firefox 2025-07-23 at 13:03 By Ionut Arghire Fresh security updates for Chrome and Firefox resolve multiple high-severity memory safety vulnerabilities. The post High-Severity Flaws Patched in Chrome, Firefox appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Chrome 138, Firefox 140 Patch Multiple Vulnerabilities

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Chrome 138, Firefox 140 Patch Multiple Vulnerabilities 2025-06-25 at 13:18 By Ionut Arghire Chrome 138 and Firefox 140 are rolling out with fixes for two dozen vulnerabilities, including high-severity memory safety issues. The post Chrome 138, Firefox 140 Patch Multiple Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Chrome, Firefox Updates Resolve High-Severity Memory Bugs

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Chrome, Firefox Updates Resolve High-Severity Memory Bugs 2025-06-11 at 13:33 By Ionut Arghire Google and Mozilla have released patches for a combined total of four high-severity memory bugs in Chrome and Firefox. The post Chrome, Firefox Updates Resolve High-Severity Memory Bugs appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Chrome 137, Firefox 139 Patch High-Severity Vulnerabilities

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Chrome 137, Firefox 139 Patch High-Severity Vulnerabilities 2025-05-28 at 14:50 By Ionut Arghire Google and Mozilla released patches for Chrome and FireFox to address a total of 21 vulnerabilities between the two browsers, including three rated high severity. The post Chrome 137, Firefox 139 Patch High-Severity Vulnerabilities appeared first on SecurityWeek. This article is an

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Chrome 136, Firefox 138 Patch High-Severity Vulnerabilities

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Chrome 136, Firefox 138 Patch High-Severity Vulnerabilities 2025-04-30 at 11:04 By Ionut Arghire Chrome 136 and Firefox 138 were released in the stable channel with patches for multiple high-severity vulnerabilities. The post Chrome 136, Firefox 138 Patch High-Severity Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Chrome 135, Firefox 137 Updates Patch Severe Vulnerabilities

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Chrome 135, Firefox 137 Updates Patch Severe Vulnerabilities 2025-04-16 at 14:01 By Ionut Arghire Chrome 135 and Firefox 137 updates have been rolled out with patches for critical- and high-severity vulnerabilities. The post Chrome 135, Firefox 137 Updates Patch Severe Vulnerabilities appeared first on SecurityWeek. This article is an excerpt from SecurityWeek View Original Source

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Browser extensions make nearly every employee a potential attack vector

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Browser extensions make nearly every employee a potential attack vector 2025-04-16 at 07:12 By Help Net Security Despite being present on virtually every employee’s browser, extensions are rarely monitored by security teams or controlled by IT, according to LayerX. Most extensions have access to sensitive data 99% of enterprise users have at least one extension

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