Version 11.52 of Opera
Release Notes: A security vulnerability was fixed where manipulating fonts in SVG could allow execution of arbitrary code. A bug that allowed injection of untrusted markup into the X-Frame-Options error page was resolved. Installation of Opera in Ubuntu 11.10 was fixed. A freeze when adjusting volume on a YouTube HTML5 video and a crash in Bittorrent downloads were resolved.
Other releases
Release Notes: The search bar's default engine can no longer be overridden by third-party apps. Minor security fixes were made for an RC4 encryption protocol weakness, for cookies incorrectly set for a top-level domain, and for and undisclosed moderately severe vulnerability.
Release Notes: A reoccurring crash when updating two or more extensions at one time was fixed.
Release Notes: Several security issues were resolved: DOM events manipulation could be used to execute arbitrary code; SVG clipPaths could allow execution of arbitrary code; CORS requests could omit the preflight request; and an undisclosed issue. Internal communication errors on Facebook were resolved. An issues on start-up without an Internet connection was fixed. An issue with image loading on back navigation was fixed.
Release Notes: A security issue was fixed where malformed GIF images could allow execution of arbitrary code. A security issue was fixed where repeated attempts to access a target site could trigger address field spoofing. An issue was fixed where private data could be disclosed to and modified by other computer users. Several general fixes and stability improvements were made. Usability of "Delete Private Data" was improved.
Release Notes: A security issue which made an HTTP response heap buffer overflow allow execution of arbitrary code has been fixed. An issue which allowed error pages to be used to guess local file paths has been fixed. A crash on Mac OS X when updating the state of some extensions’ toolbar icons has been fixed. SPDY support has been improved. Issues with Gmail not loading have been resolved. Several further fixes and stability improvements have been made.
