Dec 18, 2012

Opera 12.12

Opera 12.12 has been released


Fixes and Stability Enhancements since Opera 12.11

General and User Interface

  • Several general fixes and stability improvements
  • New option ‘Delete settings and data for all extensions’ option (off by default) in the Delete Private Data dialog
  • Corrected an issue where using the 'Delete Private Data' dialog could delete extension and settings data
  • Redesigned the 'Delete Private Data' dialog to be more usable with small screens
  • Fixed an issue where quitting Opera while in fullscreen mode could cripple the interface on the next start-up


  • Fixed an issue where malformed GIF images could allow execution of arbitrary code; see our advisory
  • Fixed an issue where repeated attempts to access a target site could trigger address field spoofing, as reported by Masato Kinugawa; see our advisory
  • UNIX-only
    • Fixed an issue where private data could be disclosed to other computer users, or be modified by them, as reported by Jann Horn; see our advisory

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