iOS 5.1.1 Security Update

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Apple have just release a minor update to iOS 5.
Labelled iOS 5.1.1, as you’d expect from a least significant change, not a lot will change.


In full the non-security changes are:

  • Improves reliability of using HDR option for photos taken using the Lock Screen shortcut
  • Addresses bugs that could prevent the new iPad from switching between 2G and 3G networks
  • Fixes bugs that affected AirPlay video playback in some circumstances
  • Improved reliability for syncing Safari bookmarks and Reading List
  • Fixes an issue where ‘Unable to purchase’ alert could be displayed after successful purchase

No real biggie there, though if you were affected by a flip/flopping iPad HD then I guess you can expect dramatically better battery life now.

Security updates all revolve around flaws in Safari:

  • A maliciously crafted website may be able to spoof the address in the location bar
  • Visiting a maliciously crafted website may lead to a cross-site scripting attack
  • Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution

That last one, on a locked down OS is a potentially big issue.
Recommend an update for all users but you could wait to see if there are any issues in the next 48hrs.
Seems ok on my iPad 1.

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