Mozilla

Mozilla warns of indirect prompt injection risk in AI coding agents

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Mozilla warns of indirect prompt injection risk in AI coding agents 2026-06-29 at 13:48 By Zeljka Zorz A malicious GitHub repository can silently compromise a developer’s machine without containing a single line of malicious code, security researchers at Mozilla’s Zero Day Investigative Network (0DIN) warned. The attack The proof-of-concept attack targets AI-powered coding agents such […]

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June 2026 Patch Tuesday forecast: Where are the CVEs?

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June 2026 Patch Tuesday forecast: Where are the CVEs? 2026-06-05 at 10:16 By Help Net Security My forecast from last month was only partly right. After the Anthropic Mythos announcements and the deluge of newly discovered vulnerabilities from vendors like Mozilla, Microsoft’s updates were standard fare, 65 CVEs reported in Windows 11 and 58 in

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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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Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders

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Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders 2026-04-22 at 18:51 By Sinisa Markovic The Mozilla Foundation tested Claude Mythos, an Anthropic AI model that has stirred debate in the cybersecurity community. Before granting access to Mythos, Mozilla scanned Firefox using Opus 4.6, which led to fixes for 22 security-sensitive

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Thunderbird 150 arrives with encrypted message search and OpenPGP improvements

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Thunderbird 150 arrives with encrypted message search and OpenPGP improvements 2026-04-21 at 23:32 By Anamarija Pogorelec Released today, Thunderbird 150.0 brings eight new features, a round of bug fixes, and security patches that cover the web engine underlying the email client. Thunderbird 150.0 runs on Windows 10 or later, macOS 10.15 or later, and Linux

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Mozilla challenges enterprise AI providers with Thunderbolt, open-source AI client under your control

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Mozilla challenges enterprise AI providers with Thunderbolt, open-source AI client under your control 2026-04-17 at 14:32 By Sinisa Markovic For organizations that want to keep company data within their own systems and have more control over how AI is deployed, Mozilla is offering an alternative to externally hosted AI services with Thunderbolt, an open-source AI

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April 2026 Patch Tuesday forecast: Spring-cleaning of a preview

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April 2026 Patch Tuesday forecast: Spring-cleaning of a preview 2026-04-10 at 10:37 By Help Net Security I just blinked and the first quarter of the year is GONE. Where does the time go? I looked back at my article from last month where I touched on the use of AI and some of the vulnerabilities

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March 2026 Patch Tuesday forecast: Is AI security an oxymoron?

Adobe, apple, cybersecurity, Don't miss, Expert analysis, Expert corner, Google, Hot stuff, Ivanti, Microsoft, Mozilla, News, Patch Tuesday /

March 2026 Patch Tuesday forecast: Is AI security an oxymoron? 2026-03-06 at 10:47 By Help Net Security Developers and analysts are using more AI tools to produce code and to test both the performance and security of the finished products. They are also embedding AI functionality in their products directly. But just how secure are

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February 2026 Patch Tuesday forecast: Lots of OOB love this month

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February 2026 Patch Tuesday forecast: Lots of OOB love this month 2026-02-06 at 09:54 By Help Net Security Valentine’s Day is just around the corner and Microsoft has been giving us a lot of love with a non-stop supply of patches starting with January 2026 Patch Tuesday. The January releases addressed 92 vulnerabilities in Windows

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January 2026 Patch Tuesday forecast: And so it continues

Adobe, apple, cybersecurity, Don't miss, Expert analysis, Expert corner, Google, Hot stuff, Ivanti, Microsoft, Mozilla, News, Patch Tuesday /

January 2026 Patch Tuesday forecast: And so it continues 2026-01-09 at 11:26 By Help Net Security Welcome to a new year of my Patch Tuesday forecast blog where I provide a summary of Microsoft and other vendor’s security patch activity (and reported issues) for the month, talk about some of the latest trends, processes, and

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December 2025 Patch Tuesday forecast: And it’s a wrap

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December 2025 Patch Tuesday forecast: And it’s a wrap 2025-12-08 at 09:56 By Help Net Security It’s hard to believe that we’re in December of 2025 already and the end of the year is fast approaching. Looking back on the year, there are two major items that really stand out in my mind. First, there

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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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November 2025 Patch Tuesday forecast: Windows Exchange Server EOL?

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November 2025 Patch Tuesday forecast: Windows Exchange Server EOL? 2025-11-07 at 13:28 By Help Net Security October 2025 Patch Tuesday was one for the record books in so many ways. There was a big push by Microsoft to fix as many open vulnerabilities as possible in products that were reaching end-of-life (EOL). This included 116

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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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October 2025 Patch Tuesday forecast: The end of a decade with Microsoft

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October 2025 Patch Tuesday forecast: The end of a decade with Microsoft 2025-10-10 at 09:33 By Help Net Security A lot of classic software is reaching end-of-life (EOL) this month. Windows 10, Office 2016 and Exchange Server 2016 have survived after nearly a decade of service. Not far behind, after six years in existence, comes

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September 2025 Patch Tuesday forecast: The CVE matrix

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September 2025 Patch Tuesday forecast: The CVE matrix 2025-09-05 at 10:18 By Help Net Security We work in an industry driven by Common Vulnerabilities and Exposures (CVE). Each security update released by myriad vendors addresses some flaw in software that could be exploited and those flaws that are publicly acknowledged are assigned a CVE designator

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August 2025 Patch Tuesday forecast: Try, try, again

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August 2025 Patch Tuesday forecast: Try, try, again 2025-08-08 at 09:30 By Help Net Security July turned into a surprisingly busy month. It started slowly with a fairly ‘calm’ Patch Tuesday as I forecasted in my last blog. Although there were 130 new CVEs addressed across all the Microsoft releases, there was only one publicly

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July 2025 Patch Tuesday forecast: Take a break from the grind

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July 2025 Patch Tuesday forecast: Take a break from the grind 2025-07-07 at 09:33 By Help Net Security There was a barrage of updates released the week of June 2025 Patch Tuesday. This included security updates from Adobe, Google, Microsoft, Mozilla, and others. But it has been ‘calm’ the past couple of weeks. The news

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June 2025 Patch Tuesday forecast: Second time is the charm?

Adobe, apple, cybersecurity, Don't miss, Expert analysis, Google, Hot stuff, Ivanti, Microsoft, Mozilla, News, Patch Tuesday, security update /

June 2025 Patch Tuesday forecast: Second time is the charm? 2025-06-06 at 09:57 By Help Net Security Microsoft has been busy releasing more out-of-band (OOB) patches than usual throughout May. The May Patch Tuesday release of updates was typical in number of vulnerabilities addressed with 41 in both Windows 10 and 11, and their associated

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May 2025 Patch Tuesday forecast: Panic, change, and hope

Adobe, apple, CVE, cybersecurity, Don't miss, Expert analysis, Google, Hot stuff, Ivanti, Microsoft, Mozilla, News, Patch Tuesday /

May 2025 Patch Tuesday forecast: Panic, change, and hope 2025-05-09 at 09:11 By Help Net Security April was an event-filled month for cybersecurity. Patch Tuesday came to us quickly on April 8 – the earliest first Tuesday possible in a given month. We again saw large numbers of CVEs addressed with 84 in Windows 11

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