NetSight
high8.8

CVE-2021-29981

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a po…

Impact

An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Affected products

VendorProductAffected versions
MozillaFirefox
before 91.0
MozillaThunderbird
before 91.0

References