Opera Software released a new version of their web browser, Opera 10.54. This release includes several important fixes, and is therefore a recommended update to all existing users.

• Prevented Opera from being used as a vector for a font issue in the underlying operating system, as reported by Microsoft's security team; see our advisory.
• Fixed an extremely severe issue; details will be disclosed at a later date.
• Fixed a highly severe issue; details will be disclosed at a later date.
• Fixed a moderately severe issue; details will be disclosed at a later date.
• Fixed a less severe issue; details will be disclosed at a later date.

You can update Opera by selecting a check from the Help menu, if it didn't appear automatically. It's also possible to download and update your current release with the installer.