According to Chrome's release notes, older versions have five vulnerabilities:1.
CVE-2021-4098 (critical severity)
Insufficient data validation in Mojo.
Reported by Sergei Glazunov of Google Project Zero on 2021-10-26 2.
CVE-2021-4099 (high severity)
Use after free in Swiftshader.
Reported by Aki Helin of Solita on 2021-11-16 3.
CVE-2021-4100 (high severity)
Object lifecycle issue in ANGLE.
Reported by Aki Helin of Solita on 2021-11-19 4.
CVE-2021-4101 (high severity)
Heap buffer overflow in Swiftshader.
Reported by Abraruddin Khan and Omair on 2021-10-21 5.
CVE-2021-4102 (high severity)
Use after free in V8. Google is aware of reports that an exploit for CVE-2021-4102 exists in the wild.
Reported by Anonymous on 2021-12-09