The ShmemCharMapHashEntry() code was susceptible to potentially undefined behavior by bypassing the move semantics for one of its data members. This vulnerability affects Firefox < 126.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox"
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{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox-dev"
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{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox-geckodriver"
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{
"binary_version": "126.0+build2-0ubuntu0.20.04.1",
"binary_name": "firefox-mozsymbols"
}
]
}