Mike Shaver and I just finished presenting “Building and Breaking the Browser”at Blackhat today in Las Vegas. We discussed the methods and tools that Mozilla uses to secure the Firefox … Read more
I’m heading to Las Vegas tomorrow for the Black Hat Briefings. If you’re in town you can catch me speaking on Thursday morning on Building and Breaking the Browser. You … Read more
We’ve just released Firefox 2.0.0.6 which contains a security patch to mitigate the issue described here. The patch enables percent-encoding for spaces and double-quotes in URIs handed off to external … Read more
Issue We are currently investigating an issue on Windows XP, where some urls for “web” protocols that contain %00 launch the wrong handler and appear to be able to launch … Read more
On July 10th, I posted about a security issue in URL protocol handling on Windows. In the previous example, Internet Explorer was the entry point and Firefox was the application … Read more
If you are a security geek in the bay area, find your way to O’Niell’s on 3rd and King Street in San Francisco at 7pm to meet up at BaySec. … Read more
Firefox 2.0.0.5 is now available and there is a fix for the URL protocol handling issue described here. We warned that other Windows applications may be vulnerable to this Internet … Read more
Today security firm Secunia released an advisory on a security issue found (apparently) simultaneously and independently by Greg MacManus and Billy Rios based on a previously reported issue in Safari … Read more
Since all software has bugs, it’s more important to consider how long it takes to get a fix out when a security issue is discovered than it is to count … Read more
The bugs Michael Zalewski posted to full-disclosure yesterday are getting some attention in the press. The information below is intended to provide some clarity on the severity of these issues … Read more
Mike Shaver and I will be speaking at Blackhat August 1-2, 2007 on Firefox Security. It looks like there will be a number of Mozilla folks in attendance. I hope … Read more
Welcome to the Mozilla Security blog. This is the place to come for updates on what is going on with security at Mozilla.