Articles Tagged with "Firefox"


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Helping users keep plugins updated

September 04, 2009 from: Mozilla Security Blog

Starting with the upcoming releases of Firefox 3.5.3 and Firefox 3.0.14, Mozilla will warn users if their version of the popular Adobe Flash Player plugin is out of date. Old versions of plugins can cause crashes and other stability problems, and can also be a significant security risk.

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Why some Firefox users choose not to update

August 25, 2009 from: Mozilla Security Blog

The best way for users to stay safe online is to use an updated browser. While most Firefox users get updated quickly, some fall behind for various reasons. We’re looking for ways to increase uptake while still preserving user choice.

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URL bar spoofing vulnerability

July 28, 2009 from: Mozilla Security Blog

Firefox - The URL in the address bar can be spoofed when a new window or tab is opened by a malicious web page.

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Locking up the valuables: Opt-in security with ForceTLS

July 28, 2009 from: Mozilla Security Blog

Computers are increasingly mobile and, to serve them, more and more public spaces (cafes, airports, libraries, etc.) offer their customers WiFi access. When a web browser on such a network requests a resource, it is implicitly trusting the hotspot not to interfere with the communication.  A malicious computer hooked up to the network could alter the traffic, however, and this can have some un...

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Firefox crash not exploitable (CVE-2009-2479)

July 19, 2009 from: Mozilla Security Blog

In the last few days, there have been several reports (including one via SANS) of a bug in Firefox related to handling of certain very long Unicode strings. While these strings can result in crashes of some versions of Firefox, the reports by press and various security agencies have incorrectly indicated that this is an exploitable bug. Our analysis indicates that it is not, and we have seen no ex...

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Measure What Matters – The SEC Essentials

July 14, 2009 from: Mozilla Security Blog

People want to know that they are safe when they browse the web. There are important differences between browsers when it comes to security, and so it’s no surprise to see a growing number of groups out there attempting to compare browsers based on their security record. That’s great news; not only does it help inform users, but it also lets browser authors know where they stand, and w...

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Critical JavaScript vulnerability in Firefox 3.5

July 14, 2009 from: Mozilla Security Blog

A bug discovered last week in Firefox 3.5’s Just-in-time (JIT) JavaScript compiler was disclosed publicly yesterday. It is a critical vulnerability that can be used to execute malicious code.

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From the Web

Measure What Matters - The SEC Essentials

July 10, 2009 from: Mozilla Security Blog

People want to know that they are safe when they browse the web. There are important differences between browsers when it comes to security, and so it’s no surprise to see a growing number of groups out there attempting to compare browsers based on their security record.

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New CSS Grammar Fuzzer

July 10, 2009 from: Mozilla Security Blog

Fuzzers are a tool that we’ve found incredibly valuable in the past, and continue to employ heavily. A fuzzer’s job is to make your application fail by feeding it surprising inputs.

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Shutting Down XSS with Content Security Policy

July 10, 2009 from: Mozilla Security Blog

For several years, Cross-Site Scripting (XSS) attacks have plagued many of the web’s most popular sites and victimized their users. At Mozilla, we’ve been working for the last year on a new technology called Content Security Policy.

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