PT-2021-3764 · Google+3 · Google Chrome+3

Published 2021-07-15 · Updated 2025-10-24 · CVE-2021-30563

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 91.0.4472.164

Description The issue is related to a Type Confusion in the V8 JavaScript engine, which can potentially allow a remote attacker to exploit heap corruption via a crafted HTML page. This vulnerability is being exploited in the wild. The estimated number of potentially affected devices is not specified.

Recommendations For Google Chrome versions prior to 91.0.4472.164, update to version 91.0.4472.164 or later to resolve the issue. As a temporary workaround, consider restricting access to potentially vulnerable web pages until the update is applied.

Exploit

Fix

Incorrect Type Conversion or Cast

Type Confusion

Weakness Enumeration

CWE-704

CWE-843

Related Identifiers

ALT-PU-2021-2265

ALT-PU-2021-2290

ALT-PU-2021-2409

ALT-PU-2021-2411

ALT-PU-2021-2574

ALT-PU-2021-2627

BDU:2021-04019

CVE-2021-30563

OPENSUSE-SU-2021:1073-1

OPENSUSE-SU-2021:1074-1

OPENSUSE-SU-2021:1095-1

OPENSUSE-SU-2021:1096-1

OPENSUSE-SU-2021_1073-1

OPENSUSE-SU-2021_1095-1

OPENSUSE-SU-2021_1096-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:10977-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2369

• 🔥 https://github.com/Phuong39/PoC-CVE-2021-30632 · Exploit
• 🔥 https://github.com/ZeusBox/CVE-2021-37980 · Exploit
• 🔥 https://github.com/SpiralBL0CK/Chrome-V8-RCE-CVE-2021-38003 · Exploit
• 🔥 https://github.com/CrackerCat/CVE-2021-30632 · Exploit
• 🔥 https://github.com/Peterpan0927/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥 https://github.com/xmzyshypnc/CVE-2021-30551 · Exploit
• 🔥 https://github.com/s4e-lab/CVE-2021-30573-PoC-Google-Chrome · Exploit
• 🔥 https://github.com/s4e-io/CVE-2021-30573-PoC-Google-Chrome · Exploit
• 🔥 https://github.com/s4eio/CVE-2021-30573-PoC-Google-Chrome · Exploit
• 🔥 https://github.com/thomsdev/CVE-2021-30573 · Exploit
• 🔥 https://github.com/oxctdev/CVE-2021-30573 · Exploit
• 🔥 https://github.com/byteofjoshua/CVE-2021-30573 · Exploit
• 🔥 https://github.com/onsecuredev/CVE-2021-30573 · Exploit
• 🔥 https://github.com/byteofandri/CVE-2021-30573 · Exploit
• 🔥 https://github.com/rakhanobe/CVE-2021-30573 · Exploit