Vulnerability · Published Jun 15, 2021 · Assigned by Chrome

CVE-2021-30544

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 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)8.8High

Exploit odds (30 days)1.2%top 30.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Use after free in BFCache in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Alpine:v3.20	chromium	91.0.4472.101-r0	ALPINE-CVE-2021-30544
Alpine:v3.21	chromium	91.0.4472.101-r0	ALPINE-CVE-2021-30544
Alpine:v3.22	chromium	91.0.4472.101-r0	ALPINE-CVE-2021-30544
Alpine:v3.23	chromium	91.0.4472.101-r0	ALPINE-CVE-2021-30544
Alpine:v3.24	chromium	91.0.4472.101-r0	ALPINE-CVE-2021-30544
Alpine:v3.20	qt5-qtwebengine	5.15.3_git20210510-r2	ALPINE-CVE-2021-30544
Alpine:v3.21	qt5-qtwebengine	5.15.3_git20210510-r2	ALPINE-CVE-2021-30544
Alpine:v3.22	qt5-qtwebengine	5.15.3_git20210510-r2	ALPINE-CVE-2021-30544
Alpine:v3.23	qt5-qtwebengine	5.15.3_git20210510-r2	ALPINE-CVE-2021-30544
Debian:12	chromium	93.0.4577.82-1	DEBIAN-CVE-2021-30544
Debian:13	chromium	93.0.4577.82-1	DEBIAN-CVE-2021-30544
Debian:14	chromium	93.0.4577.82-1	DEBIAN-CVE-2021-30544

Affected products (as reported)

Vendor	Product	Versions
Google	Chrome	unspecified – before 91.0.4472.101

References

https://crbug.com/1212618 x_refsource_MISC
https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html x_refsource_MISC
GLSA-202107-06 vendor-advisory, x_refsource_GENTOO
FEDORA-2021-f94dadff78 vendor-advisory, x_refsource_FEDORA
FEDORA-2021-ca58c57bdf vendor-advisory, x_refsource_FEDORA