The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with another vulnerability that resulted in remote code execution inside the sandboxed process. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
{
"binaries": [
{
"binary_version": "53.0+build6-0ubuntu0.14.04.1",
"binary_name": "firefox"
},
{
"binary_version": "53.0+build6-0ubuntu0.14.04.1",
"binary_name": "firefox-dev"
},
{
"binary_version": "53.0+build6-0ubuntu0.14.04.1",
"binary_name": "firefox-globalmenu"
},
{
"binary_version": "53.0+build6-0ubuntu0.14.04.1",
"binary_name": "firefox-mozsymbols"
},
{
"binary_version": "53.0+build6-0ubuntu0.14.04.1",
"binary_name": "firefox-testsuite"
}
],
"availability": "No subscription required"
}
{
"binaries": [
{
"binary_version": "53.0+build6-0ubuntu0.16.04.1",
"binary_name": "firefox"
},
{
"binary_version": "53.0+build6-0ubuntu0.16.04.1",
"binary_name": "firefox-dev"
},
{
"binary_version": "53.0+build6-0ubuntu0.16.04.1",
"binary_name": "firefox-globalmenu"
},
{
"binary_version": "53.0+build6-0ubuntu0.16.04.1",
"binary_name": "firefox-mozsymbols"
},
{
"binary_version": "53.0+build6-0ubuntu0.16.04.1",
"binary_name": "firefox-testsuite"
}
],
"availability": "No subscription required"
}