Vulnerability · Published Jun 7, 2021 · Assigned by Chrome

CVE-2021-30535

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 66% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.1%top 33.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

Double free in ICU in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20chromium91.0.4472.77-r0ALPINE-CVE-2021-30535
Alpine:v3.21chromium91.0.4472.77-r0ALPINE-CVE-2021-30535
Alpine:v3.22chromium91.0.4472.77-r0ALPINE-CVE-2021-30535
Alpine:v3.23chromium91.0.4472.77-r0ALPINE-CVE-2021-30535
Alpine:v3.24chromium91.0.4472.77-r0ALPINE-CVE-2021-30535
Alpine:v3.20qt5-qtwebengine5.15.3_git20210510-r2ALPINE-CVE-2021-30535
Alpine:v3.21qt5-qtwebengine5.15.3_git20210510-r2ALPINE-CVE-2021-30535
Alpine:v3.22qt5-qtwebengine5.15.3_git20210510-r2ALPINE-CVE-2021-30535
Alpine:v3.23qt5-qtwebengine5.15.3_git20210510-r2ALPINE-CVE-2021-30535
Debian:12chromium93.0.4577.82-1DEBIAN-CVE-2021-30535
Debian:13chromium93.0.4577.82-1DEBIAN-CVE-2021-30535
Debian:14chromium93.0.4577.82-1DEBIAN-CVE-2021-30535
Debian:12icu67.1-7DEBIAN-CVE-2021-30535
Debian:13icu67.1-7DEBIAN-CVE-2021-30535
Debian:14icu67.1-7DEBIAN-CVE-2021-30535

Affected products (as reported)

VendorProductVersions
Google Chrome unspecified – before 91.0.4472.77

References