PT-2021-4610

CVE-2021-30518

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Published

2021-04-28

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Updated

2026-10-31

Description by

CVSS 3.1
8.8
High
MetricsAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 90.0.4430.212
Description The issue is related to a heap buffer overflow in Reader Mode, which can be exploited by a remote attacker using a specially crafted HTML page. This could allow the attacker to access confidential data, compromise data integrity, and cause a denial of service. The estimated number of potentially affected devices worldwide is not specified. There is no information about real-world incidents where this issue was exploited.
Recommendations For Google Chrome versions prior to 90.0.4430.212, update to version 90.0.4430.212 or later to resolve the issue. As a temporary workaround, consider avoiding the use of Reader Mode until a patch is available. Restrict access to crafted HTML pages to minimize the risk of exploitation.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
Related identifiers
ALT-PU-2021-1876
ALT-PU-2021-1972
ALT-PU-2021-2007
ALT-PU-2021-2009
ALT-PU-2021-2141
CLEANSTART-2024-VY13972
DSA-4917-1
OPENSUSE-SU-2021:0742-1
OPENSUSE-SU-2021_0742-1
OPENSUSE-SU-2021:0762-1
OPENSUSE-SU-2021_0762-1
OPENSUSE-SU-2021:0828-1
OPENSUSE-SU-2021_0828-1
OPENSUSE-SU-2021:0829-1
OPENSUSE-SU-2021_0829-1
OPENSUSE-SU-2022:0110-1
OPENSUSE-SU-2022_0110-1
OPENSUSE-SU-2024:10681-1
OPENSUSE-SU-2024:12948-1
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