Vulnerability · Published Oct 8, 2021 · Assigned by Chrome

CVE-2021-30629

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 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High

Exploit odds (30 days)0.9%top 40.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Use after free in Permissions in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.20	chromium	93.0.4577.82-r0	ALPINE-CVE-2021-30629
Alpine:v3.21	chromium	93.0.4577.82-r0	ALPINE-CVE-2021-30629
Alpine:v3.22	chromium	93.0.4577.82-r0	ALPINE-CVE-2021-30629
Alpine:v3.23	chromium	93.0.4577.82-r0	ALPINE-CVE-2021-30629
Alpine:v3.24	chromium	93.0.4577.82-r0	ALPINE-CVE-2021-30629
Alpine:v3.20	qt5-qtwebengine	5.15.3_git20211006-r0	ALPINE-CVE-2021-30629
Alpine:v3.21	qt5-qtwebengine	5.15.3_git20211006-r0	ALPINE-CVE-2021-30629
Alpine:v3.22	qt5-qtwebengine	5.15.3_git20211006-r0	ALPINE-CVE-2021-30629
Alpine:v3.23	qt5-qtwebengine	5.15.3_git20211006-r0	ALPINE-CVE-2021-30629
Debian:12	chromium	93.0.4577.82-1	DEBIAN-CVE-2021-30629
Debian:13	chromium	93.0.4577.82-1	DEBIAN-CVE-2021-30629
Debian:14	chromium	93.0.4577.82-1	DEBIAN-CVE-2021-30629

Affected products (as reported)

Vendor	Product	Versions
Google	Chrome	unspecified – before 93.0.4577.82

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html x_refsource_MISC
https://crbug.com/1243646 x_refsource_MISC
FEDORA-2021-ab09a05562 vendor-advisory, x_refsource_FEDORA
FEDORA-2021-591b3a2af0 vendor-advisory, x_refsource_FEDORA