CVE-2021-30518

HIGH 8.8CVE-2021-30518 · Published 04/06/2021 · updated 17/06/2026

In short

CVE-2021-30518 is a HIGH (CVSS 8.8) vulnerability affecting chrome (google).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 71.0% of all vulnerabilities.
Fix: update to 90.0.4430.212 or later.

Package	Affected versions	Patched versions
chrome google	`< 90.0.4430.212`	`90.0.4430.212`

Description

Heap buffer overflow in Reader Mode in Google Chrome prior to 90.0.4430.212 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

References

chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop.html · Release Notes
crbug.com/1203590 · Exploit
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54
security.gentoo.org/glsa/202107-06 · Third Party Advisory

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Package

Affected versions

Patched versions

chrome

google

< 90.0.4430.212

90.0.4430.212

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