If an out-of-memory condition occurs at a specific point using allocations in the probabilistic heap checker, an assertion could have been triggered, and in rarer situations, memory corruption could have occurred. This vulnerability affects Firefox < 127.
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "127.0.2+build1-0ubuntu0.20.04.1",
"binary_name": "firefox"
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"binary_name": "firefox-dev"
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{
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"binary_name": "firefox-mozsymbols"
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}