PT-2021-5627 · Google+3 · Google Chrome+4

Antti Levomäki + 2 · Published 2021-10-19 · Updated 2024-06-15 · CVE-2021-37984

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV: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 95.0.4638.54

Description The issue is related to a heap buffer overflow in the PDFium PDF content handler. It can be exploited by a remote attacker using a specially crafted HTML page, potentially leading to heap corruption.

Recommendations For versions prior to 95.0.4638.54, update to version 95.0.4638.54 or later to resolve the issue. As a temporary workaround, consider restricting access to PDF content in Google Chrome until the update is applied.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2021-3095

ALT-PU-2021-3329

ALT-PU-2021-3408

ALT-PU-2021-3431

ALT-PU-2021-3436

ALT-PU-2021-3583

ALT-PU-2021-3603

BDU:2022-00063

CVE-2021-37984

DSA-5046-1

MGASA-2022-0050

OPENSUSE-SU-2021:1392-1

OPENSUSE-SU-2021:1396-1

OPENSUSE-SU-2021:1488-1

OPENSUSE-SU-2021:1489-1

OPENSUSE-SU-2021_1396-1

OPENSUSE-SU-2021_1488-1

OPENSUSE-SU-2021_1489-1

OPENSUSE-SU-2022:0070-1

OPENSUSE-SU-2022:0110-1

OPENSUSE-SU-2022_0110-1

OPENSUSE-SU-2024:11598-1

OPENSUSE-SU-2024:11606-1

OPENSUSE-SU-2024:11745-1

OPENSUSE-SU-2024:12948-1

Affected Products

Alt Linux

Astra Linux

Google Chrome

Pdfium

Suse

References · 2363

• 🔥 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-2021:1489-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2022-0050.html · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-37984 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/2MLX3OHXV7SCLP5MK4AA5TVXPPNSWDUP · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-37984 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:12948-1 · Vendor Advisory