Here are some of the most significant bugs from the past week in the BugBlog:

There are a number of bugs in the Mac OS X 10.3.9 and 10.4.x Disk Images application. A number of these bugs can be exploited to either crash the application or run hostile code on the Mac. These have been fixed in Mac OS X 10.4.9 and Security Update 2007-003.The updates are available through Apple's Software Update. Some of these bugs were first reported on the Month of Apple Bugs website.

Microsoft says that there are incompatibilities between unspecified USB audio devices and USB audio TV tuners on Windows Vista computers. They won't work if you try to use them. Microsoft has a hotfix for this, so if you have one of these audio devices or TV tuners giving you trouble, see this article about getting the hotfix.

If you publish a calendar in Microsoft Office Outlook 2007, it may stop updating. When publishing it, you may also get an error message:
Access to the resource was denied. If you have signed in to and saved your Windows Live ID with a Web site, sign out of that Web site, and then try this operation again.
Microsoft says that you won't have any success signing out at that page, because it won't recognize you as signing in. The problem is that Internet Explorer stores cookies in two different locations. Windows Live may be looking for its cookie in one place, and won't know enough to look at the other. Microsoft has some workarounds.