Google Chrome OS before 26.0.1410.57 does not properly enforce origin restrictions for the O3D and Google Talk plug-ins, which allows remote attackers to bypass the domain-whitelist protection mechanism via a crafted web site, a different vulnerability than CVE-2013-2834.
Google Chrome OS before 26.0.1410.57 relies on a Pango pango-utils.c read_config implementation that loads the contents of the .pangorc file in the user's home directory, and the file referenced by the PANGO_RC_FILE environment variable, which allows attackers to bypass intended access restrictions via crafted configuration data.
The GPU process in Google Chrome OS before 25.0.1364.173 allows attackers to cause a denial of service or possibly have unspecified other impact via vectors related to an "overflow."