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CVE-2016-1646

The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, does not properly…

High8.8Known exploitedEPSS 48.1%
Published
Updated
Reserved
Assigned by
Chrome

Description

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.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Google Chromium V8 Out-of-Bounds Read Vulnerability.

Added
8 Jun 2022
Fix due (US federal)
22 Jun 2022
Used by ransomware
Not known

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Scores

CVSS scores of CVE-2016-1646, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
48.1% · top 1.1% of all CVEs (2 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: no · Technical impact: total

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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

  • n/a

    • affected n/a

References (12)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .