PT-2021-4196 · Google+3 · Google Chrome+3

Published 2021-09-08 · Updated 2025-10-24 · CVE-2021-30632

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 93.0.4577.82

Description The issue is related to an out of bounds write in the V8 JavaScript engine, which can lead to heap corruption. A remote attacker can potentially exploit this via a crafted HTML page. The vulnerability may allow an attacker to cause a denial of service.

Recommendations For Google Chrome versions prior to 93.0.4577.82, update to version 93.0.4577.82 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

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

ALSA-2025_16880

ALT-PU-2021-2799

ALT-PU-2021-2843

ALT-PU-2021-2987

ALT-PU-2021-3044

ALT-PU-2021-3050

ALT-PU-2021-3436

ALT-PU-2021-3603

BDU:2021-04793

CVE-2021-30632

OPENSUSE-SU-2021:1300-1

OPENSUSE-SU-2021:1303-1

OPENSUSE-SU-2021:1330-1

OPENSUSE-SU-2021_1303-1

OPENSUSE-SU-2021_1330-1

OPENSUSE-SU-2022:0070-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:10681-1

OPENSUSE-SU-2024:11550-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Suse

References · 2366

• 🔥 https://github.com/Phuong39/PoC-CVE-2021-30632 · Exploit
• 🔥 https://github.com/CrackerCat/CVE-2021-30632 · Exploit
• 🔥❌ https://github.com/Lagal1990/CVE-2021-30632 · Exploit, Deleted
• 🔥❌ https://github.com/Expdev893/CVE-2021-30632 · Exploit, Deleted
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30632 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30632 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:0110-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04793 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2021:1300-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-30632 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2021-1126SE17 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1303-1 · Vendor Advisory