Tech2know

Firefox users should upgrade to new versions of Firefox 3.0 and 3.5. Mozilla has fixed 3 critical bugs in Firefox 3.5.3 and 3.0.14 and the updates were released on 9 September 2009 for the users. Below are the same :

1) MFSA 2009-51 : This fixes a vulnerability in BrowserFeedWriter.Using this vulnerability, an attacker could construct an object containing malicious JavaScript and cause the FeedWriter to process the object, running the malicious code with chrome privileges.

2) MFSA 2009-49 : This fixes a vulnerability wherein columns of a XUL tree element could be manipulated in a particular way which would leave a pointer owned by the column pointing to freed memory. An attacker could potentially use this vulnerability to crash a victim’s browser and run arbitrary code on the victim’s computer.

3) MFSA 2009-47 : This involves fixing of stability bugs in the browser engine which shows crashes with evidence of memory corruption.

There are two other less critical fixes. Click Mozilla Foundation Security Advisories for more details.

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