PT-2021-5434 · Google+4 · V8 Javascript Engine+5

Published 2021-12-09 · Updated 2025-10-24 · CVE-2021-4102

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 96.0.4664.110 Microsoft Edge (affected versions not specified)

Description The issue is related to a use-after-free vulnerability in the V8 JavaScript engine, which can be exploited by a remote attacker using a crafted HTML page, potentially leading to heap corruption or arbitrary code execution. The vulnerability may allow an attacker to impact the system.

Recommendations For Google Chrome versions prior to 96.0.4664.110, update to version 96.0.4664.110 or later to resolve the issue. For Microsoft Edge, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2021-3535

ALT-PU-2021-3616

ALT-PU-2022-1136

ALT-PU-2022-1165

ALT-PU-2022-1290

BDU:2021-06277

CVE-2021-4102

DSA-5046-1

MGASA-2021-0565

MGASA-2022-0050

OPENSUSE-SU-2021:1600-1

OPENSUSE-SU-2021:1632-1

OPENSUSE-SU-2021_1632-1

OPENSUSE-SU-2022:0047-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0047-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:11687-1

OPENSUSE-SU-2024:11745-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Edge

Suse

V8 Javascript Engine

References · 2379

• 🔥 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/maldiohead/TFC-Chrome-v8-bug-CVE-2021-38001-poc · Exploit
• 🔥❌ https://github.com/Lagal1990/CVE-2021-30632 · Exploit, Deleted
• 🔥❌ https://github.com/Expdev893/CVE-2021-30632 · Exploit, Deleted
• https://osv.dev/vulnerability/openSUSE-SU-2022:0047-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1600-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2022-0050.html · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2022-0926SE47 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0565.html · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/2MLX3OHXV7SCLP5MK4AA5TVXPPNSWDUP · Vendor Advisory