CVE-2021-21148

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-21148
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html Third Party Advisory VDB Entry
https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html Release Notes
https://crbug.com/1170176 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/ Release Notes
https://security.gentoo.org/glsa/202104-08 Third Party Advisory
https://www.debian.org/security/2021/dsa-4858 Mailing List Third Party Advisory
http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html Third Party Advisory VDB Entry
https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html Release Notes
https://crbug.com/1170176 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/ Release Notes
https://security.gentoo.org/glsa/202104-08 Third Party Advisory
https://www.debian.org/security/2021/dsa-4858 Mailing List Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148 US Government Resource
Configurations

Configuration 1 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

24 Oct 2025, 21:02

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148 - US Government Resource

22 Oct 2025, 00:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148 -

21 Oct 2025, 20:18

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148 -

21 Nov 2024, 05:47

Type Values Removed Values Added
References () http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html - Third Party Advisory, VDB Entry () http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html - Third Party Advisory, VDB Entry
References () https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html - Release Notes () https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html - Release Notes
References () https://crbug.com/1170176 - Permissions Required () https://crbug.com/1170176 - Permissions Required
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ - Release Notes () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ - Release Notes
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/ - Release Notes () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/ - Release Notes
References () https://security.gentoo.org/glsa/202104-08 - Third Party Advisory () https://security.gentoo.org/glsa/202104-08 - Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4858 - Mailing List, Third Party Advisory () https://www.debian.org/security/2021/dsa-4858 - Mailing List, Third Party Advisory

25 Jul 2024, 17:52

Type Values Removed Values Added
References () https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html - Release Notes, Vendor Advisory () https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html - Release Notes
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ - Release Notes
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AUQSMNV7INLDDSD3RKI5S5EAULX2QC7P/ - Release Notes
References () https://www.debian.org/security/2021/dsa-4858 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4858 - Mailing List, Third Party Advisory
Information

Published : 2021-02-09 16:15

Updated : 2025-10-24 21:02

NVD link : CVE-2021-21148

Mitre link : CVE-2021-21148

CVE.ORG link : CVE-2021-21148

JSON object : View

Products Affected

fedoraproject

  • fedora

debian

  • debian_linux

google

  • chrome
CWE
CWE-787

Out-of-bounds Write