shaver
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, … Continue reading
Brandon Sterne
Issue 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. Impact The vulnerability can be exploited by an attacker who … Continue reading
Lucas Adamski
Issue The pwn2own bug that Nils discovered at CanSecWest 2009 and the XSLT vulnerability recently made public by Guido Landi (http://www.securityfocus.com/bid/34235) are both critical issues that can result in malicious code execution. Impact These issues can be exploited by tricking … Continue reading
Johnathan Nightingale
There has been some interest in the last few days about a recent report from a company called Bit9 about application vulnerabilities. While we’re always happy to see stories that focus on educating our users about security, there are some … Continue reading
Window Snyder
Issue A null pointer dereference in the content layout component of Firefox allows an attacker to crash the browser when a user navigates to a malicious page. Impact If a user browses to a malicious page that takes advantage of … Continue reading
Window Snyder
Issue A vulnerability in the way Firefox handles CSS allows an attacker to take advantage of an integer overflow and execute arbitrary code. In order for the attack to be successful a user must browse to a malicious site. The … Continue reading
Window Snyder
TippingPoint ZDI notified Mozilla of a vulnerability in Firefox that impacts versions 2.x and 3.0. This issue is currently under investigation. To protect our users, the details of the issue will remain closed until a patch is made available. There … Continue reading
Window Snyder
As today’s headlines confirm, there is still a lot of confusion about what happened to the Vietnamese language pack, who is impacted, and what that impact really is. First of all, there is no virus in the Vietnamese language pack. … Continue reading
Window Snyder
The Vietnamese language pack for Firefox 2 contains inserted code to load remote content. This code is the result of a virus infection, but does not contain the virus itself. This usually results in the user seeing unwanted ads, but … Continue reading
Window Snyder
Background on this issue is available here. Impact An attacker can use this vulnerability to collect session information, including session cookies and session history. Firefox is not vulnerable by default. Only users that have installed “flat” packed add-ons are at … Continue reading