A use-after-free condition existed in NotifyOnHistoryReload where a LoadingSessionHistoryEntry object was freed and a reference to that object remained. This resulted in a potentially exploitable condition when the reference to that object was later reused. This vulnerability affects Firefox < 115.
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "115.0+build2-0ubuntu0.20.04.3"
},
{
"binary_name": "firefox-dev",
"binary_version": "115.0+build2-0ubuntu0.20.04.3"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "115.0+build2-0ubuntu0.20.04.3"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "115.0+build2-0ubuntu0.20.04.3"
}
]
}