CVE-2016-1646Google Chromium V8 Out-of-Bounds Read Vulnerability

The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, does not properly consider element data types, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted JavaScript code.

8.8 HIGHEPSS 48.11%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 00:42 UTC

OverviewCVSS details

8.8HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Mar 29, 2016
Assigner: Chrome

Affected

debian linux (debian)

Versions: 8.0 · 9.0

+9 more products →

Exploitation

Public exploit: Yes · 1 reference
CISA KEV: Listed · Jun 8, 2022
KEV due date: Jun 22, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 7

48.11%chance of exploitation in 30 days

Higher than 98.86% of CVEs

CVSS 3.1 · NVD

8.8High

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

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

9.3High

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

Attack vector: Network
Attack complexity: Medium
Authentication: None
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
8.8	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.3	HIGH	2.0NVD	AV:N/AC:M/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Jun 22, 2022

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Details

CVE ID: CVE-2016-1646
Status: Analyzed
Assigner (CNA): Chrome
Published: Mar 29, 2016
Last modified: 2026-06-17 00:42 UTC
Weaknesses: CWE-125
CWE-119

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 13:53 UTC.