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| From: | MOZILLA | | Date: | 20.12.2006 | | Subject: | Mozilla Foundation Security Advisory 2006-69 |
Mozilla Foundation Security Advisory 2006-69
Title: CSS cursor image buffer overflow (Windows only)
Impact: Critical
Announced: December 19, 2006
Reporter: Frederik Reiss
Products: Firefox, Thunderbird, SeaMonkey
Fixed in: Firefox 2.0.0.1
Firefox 1.5.0.9
Thunderbird 1.5.0.9
SeaMonkey 1.0.7
Description
Frederik Reiss reported a crash when using the CSS cursor property to set the cursor to certain images on Windows. A miscalculated size during conversion of the image to a Windows bitmap can result in a heap buffer overflow which could be used to compromise the victim's computer.
This flaw affects both Firefox 2 and Firefox 1.5 but not the earlier Firefox 1.0 or Mozilla Suite
Workaround
Upgrade to a fixed version.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=353553
CVE-2006-6500
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