Mozilla Firefox before 36.0 does not properly restrict transitions of JavaScript objects from a non-extensible state to an extensible state, which allows remote attackers to bypass a Caja Compiler sandbox protection mechanism or a Secure EcmaScript sandbox protection mechanism via a crafted web site.
{
"binaries": [
{
"binary_name": "firefox",
"binary_version": "36.0+build2-0ubuntu0.14.04.4"
},
{
"binary_name": "firefox-globalmenu",
"binary_version": "36.0+build2-0ubuntu0.14.04.4"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "36.0+build2-0ubuntu0.14.04.4"
},
{
"binary_name": "firefox-testsuite",
"binary_version": "36.0+build2-0ubuntu0.14.04.4"
}
],
"availability": "No subscription required"
}