Microsoft Windows 2000 and XP does not handle fonts correctly. Malformed font files can bring the system to an immediate reboot if viewed in the font viewer (fontview).
We do not know if this can be exploited to anything but a mere Denial of Service.
The Denial of Service has been confirmed with all the latest patches.
Solution: We recommend that you are careful if you receive any .otf, .ttf and .fon files, do only accept them from trusted sources and never load them onto mission critical system without having tested them first.
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Subject: Microsoft Windows crashes on invalid font file
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