CVE-2021-21148

HIGH KEV

Google Chrome <88.0.4324.150 - Buffer Overflow

Title source: llm

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.

Exploits (1)

nomisec SUSPICIOUS 2 stars

by Grayhaxor · poc

https://github.com/Grayhaxor/CVE-2021-21148

View Code ZIP pw:eip

References (8)

[Third Party Advisory, VDB Entry] http://packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html

[Release Notes] https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html

[Permissions Required] https://crbug.com/1170176

[Release Notes] 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/

[Third Party Advisory] https://security.gentoo.org/glsa/202104-08

[Mailing List, Third Party Advisory] https://www.debian.org/security/2021/dsa-4858

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21148

Scores

CVSS v3 8.8

EPSS 0.2487

EPSS Percentile 96.2%

Attack Vector NETWORK

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

Details

CISA KEV 2021-11-03

VulnCheck KEV 2021-01-24

InTheWild.io 2021-01-24

ENISA EUVD EUVD-2021-8539

CWE

CWE-787

Status published

Products (4)

debian/debian_linux 10.0

fedoraproject/fedora 32

fedoraproject/fedora 33

google/chrome < 88.0.4324.150

Published Feb 09, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026