CVEvulnerability

CVE-2021-38003

8.8 HIGH Known exploited Published 2021-11-23 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Google Chromium V8 Memory Corruption Vulnerability — Google Chromium V8

Google Chromium V8 Engine has a bug in JSON.stringify, where the internal TheHole value can leak to script code, causing memory corruption. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Added to KEV: 2021-11-03
Remediation due: 2021-11-17
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-38003

Status: Analyzed
Published: 2021-11-23
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses: CWE-755

Description

Inappropriate implementation in V8 in Google Chrome prior to 95.0.4638.69 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected configurations

• google chrome (< 95.0.4638.69) • fedoraproject fedora 34 • debian debian linux 10.0 • debian debian linux 11.0

Weakness · CWE (1)

CWE-755 Improper Handling of Exceptional Conditions weakness

References