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...

Basic Information

CVE State: PUBLISHED
Reserved Date: December 21, 2020
Published Date: February 09, 2021
Last Updated: January 29, 2025
Vendor: Google
Product: Chrome
Description: 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.
Tags

CVSS Scores

CVSS v3.1

8.8 - HIGH

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

6.8

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

SSVC Information

Exploitation: active
Technical Impact: total

Exploit Status

Exploited in the Wild: Yes (2021-11-03 00:00:00 UTC) Source
Proof of Concept Available: Yes (added 2021-02-07 09:59:47 UTC) Source

References

https://crbug.com/1170176 https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html 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/7ACWYJ74Z3YN2XH4QMUEGNBC3VXX464L/ https://www.debian.org/security/2021/dsa-4858 https://security.gentoo.org/glsa/202104-08 http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html

Known Exploited Vulnerability Information

Source	Added Date
CISA	2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

Grayhaxor/CVE-2021-21148

Type: github • Created: 2021-02-07 09:59:47 UTC • Stars: 2

Timeline

CVE ID Reserved

December 21, 2020
Proof of Concept Exploit Available

February 07, 2021
CVE Published to Public

February 09, 2021
Added to KEVIntel

November 03, 2021