PT-2021-2530

CVE-2021-21194

·

Published

2021-02-23

·

Updated

2026-10-01

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 89.0.4389.114
Description: The issue is related to a use after free in screen sharing, which can lead to heap corruption. A remote attacker can potentially exploit this via a crafted HTML page, allowing them to execute arbitrary code or cause a denial of service.
Recommendations: For versions prior to 89.0.4389.114, update to version 89.0.4389.114 or later to resolve the issue. As a temporary workaround, consider disabling the screen sharing feature until a patch is available. Restrict access to crafted HTML pages to minimize the risk of exploitation.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Related identifiers
ALT-PU-2021-1624
ALT-PU-2021-1668
ALT-PU-2021-1744
ALT-PU-2021-1751
ALT-PU-2021-2141
CLEANSTART-2024-ZF25345
DSA-4886-1
OPENSUSE-SU-2021:0513-1
OPENSUSE-SU-2021_0513-1
OPENSUSE-SU-2021:0515-1
OPENSUSE-SU-2021:0592-1
OPENSUSE-SU-2021_0592-1
OPENSUSE-SU-2024:10681-1
OPENSUSE-SU-2024:12948-1
Found an issue in the description? Have something to add? Feel free to write us 👾