Vulnerability · Published Jan 8, 2021 · Assigned by Chrome

CVE-2021-21109

Critical 9.6

In plain English

A critical-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.6Critical
Exploit odds (30 days)1.3%top 28.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in payments in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12chromium87.0.4280.141-0.1DEBIAN-CVE-2021-21109
Debian:13chromium87.0.4280.141-0.1DEBIAN-CVE-2021-21109
Debian:14chromium87.0.4280.141-0.1DEBIAN-CVE-2021-21109

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 87.0.4280.141

References