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.
[ { "events": [ { "introduced": "0" }, { "fixed": "91.0" } ] }, { "events": [ { "introduced": "0" }, { "fixed": "91.0" } ] } ]
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-29981.json"