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

> CVE-2016-1646: Google Chromium V8 Out-of-Bounds Read Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2016-1646
Last updated: 2025-10-21T23:55:54Z

- Published: 2016-03-29 10:00 UTC · Updated: 2025-10-21 23:55 UTC · Assigner: Chrome
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 48.1%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-06-08, federal due date 2022-06-22, ransomware use: Unknown

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Google: Chromium V8

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-1646)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2016-1646)
- [http://googlechromereleases.blogspot.com/2016/03/stable-channel-update\_24.html](http://googlechromereleases.blogspot.com/2016/03/stable-channel-update_24.html)
- [http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00000.html](http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00000.html)
- [http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00001.html](http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00001.html)
- [http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00039.html](http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00039.html)
- [http://rhn.redhat.com/errata/RHSA-2016-0525.html](http://rhn.redhat.com/errata/RHSA-2016-0525.html)
- [https://code.google.com/p/chromium/issues/detail?id=594574](https://code.google.com/p/chromium/issues/detail?id=594574)
- [https://codereview.chromium.org/1804963002/](https://codereview.chromium.org/1804963002/)
- [https://security.gentoo.org/glsa/201605-02](https://security.gentoo.org/glsa/201605-02)
- [http://www.debian.org/security/2016/dsa-3531](http://www.debian.org/security/2016/dsa-3531)
- [http://www.securitytracker.com/id/1035423](http://www.securitytracker.com/id/1035423)
- [http://www.ubuntu.com/usn/USN-2955-1](http://www.ubuntu.com/usn/USN-2955-1)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2016-1646 · Markdown: https://rewindex.com/cve/CVE-2016-1646.md · JSON: https://rewindex.com/api/v1/cves/CVE-2016-1646 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:54.453Z