Removing the RSA Security 1024 V3 Root

There’s been confusion today about the work we’re doing on our root store, the set of trusted certificate authorities shipped with Mozilla products. The short story is this: we’re removing … Read more

Plugging the CSS History Leak

Privacy isn’t always easy. We’re close to landing some changes in the Firefox development tree that will fix a privacy leak that browsers have been struggling with for some time. … Read more

Firefox 3.6.2 Released

Mozilla has accelerated its timetable and released Firefox 3.6.2 ahead of schedule. This release contains a number of security fixes, including a fix to Secunia Advisory SA38608 which was previously … Read more

Update on Secunia Advisory SA38608

Mozilla was contacted by Evgeny Legerov, the security researcher who discovered the bug referenced in the Secunia report, with sufficient details to reproduce and analyze the issue.  The vulnerability was … Read more

Secunia Advisory SA38608

Mozilla is aware of the claim of a zero-day in Firefox as posted here: http://secunia.com/advisories/38608/.  We cannot confirm the report as we have received no details regarding the reported vulnerability, … Read more

Security Issues With Two Experimental Add-Ons

Important Note: One of the malware results has been verified to be a false positive.  Further details are available here: http://blog.mozilla.org/addons/2010/02/09/update-on-the-amo-security-issue/ Original blog entry follows below. Two add-ons in the … Read more

Mozilla Plugin Check Now Live

A little over a month ago, I talked about a project we had started to inform users when their plugins were out of date. This is a really important project … Read more

A Glimpse Into the Future of Browser Security

As we mentioned earlier we’ve been working for the past few months on turning the Content Security Policy specification into working Firefox code. (You’ll remember that CSP is a framework … Read more