Vulnerability · Published Feb 9, 2021 · Assigned by Chrome

CVE-2021-21145

High 8.8

In plain English

A high-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 1.1% (higher than 64% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.1%top 35.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Use after free in Fonts in Google Chrome prior to 88.0.4324.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21145
Alpine:v3.21qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21145
Alpine:v3.22qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21145
Alpine:v3.23qt5-qtwebengine5.15.3_git20200401-r0ALPINE-CVE-2021-21145
Debian:12chromium88.0.4324.146-1DEBIAN-CVE-2021-21145
Debian:13chromium88.0.4324.146-1DEBIAN-CVE-2021-21145
Debian:14chromium88.0.4324.146-1DEBIAN-CVE-2021-21145

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 88.0.4324.146

References