Opera 12.15

Release notes

Release date: 2013-04-04

Opera 12.15 is a recommended upgrade offering security and stability enhancements.

Fixes and Stability Enhancements since Opera 12.14

General and User Interface

  • Fixed an issue where the search bar's default engine could be overridden by third-party apps.


  • Fixed a moderately severe issue, as reported by Attila Suszter; details will be disclosed at a later date.
  • Added safeguards against attacks on the RC4 encryption protocol; see our advisory.
  • Fixed an issue where cookies could be set for a top-level domain; see our advisory.


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