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Firefox 20 Private Browsing Tabs

Mozilla has released the 20th version of Firefox which boasts some advanced improvements in private browsing features.

The popular browser was updated on Tuesday and addressed 13 security vulnerabilities whilst making some radical improvements to private browsing, putting it one step ahead of rivals Chrome and Internet Explorer.

The biggest change in relation to private browsing is the ability to manage the privacy settings based on an individual tab basis and not as an entire browser window. Unlike other browsers and the previous versions of Firefox, users can now change settings relating to cookies and browsing data use from tab to tab. The update also includes a download panel for easy viewing and management of downloads.

The security update that addressed a number of critical vulnerabilities included the following fixes.

MFSA 2013-40 – Out-of-bounds array read in CERT_DecodeCertPackage
MFSA 2013-39 – Memory corruption while rendering grayscale PNG images
MFSA 2013-38 – XSS (Cross Site Scripting) using timed history navigations
MFSA 2013-37 – Bypass of tab-modal dialogue origin disclosure
MFSA 2013-36 – Bypass of SOW protections allowing cloning of protected nodes
MFSA 2013-35 – WebGL crash with Mesa graphics driver in Linux
MFSA 2013-34/32 – Privilege escalation through Mozilla Updater/Maintenance Service
MFSA 2013-33 – World read and write access to app_tmp directory
MFSA 2013-31 – Out-of-bounds write in Cairo library
MFSA 2013-30 – Miscellaneous memory safety hazards (rv:20.0 / rv:17.0.5)

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