I presume this is Chromium issue 664177 [1], which in Ubuntu is tracked as bug 1641380.
It would appear a simple rebuild of the package is a stop-gap measure that helps, since it is a 10 week timebomb that start ticking on build time. HTH, Peter. [1] https://bugs.chromium.org/p/chromium/issues/detail?id=664177 [2] https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1641380 -- I use the GNU Privacy Guard (GnuPG) in combination with Enigmail. You can send me encrypted mail if you want some privacy. My key is available at <http://digitalbrains.com/2012/openpgp-key-peter>