CVE-2016-1646The 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 c…
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It affects debian_linux and 9 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 8, 2022; federal agencies had to remediate by Jun 22, 2022. Treat that date as your deadline.
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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.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-125
- Known exploited
- Added to CISA KEV Jun 8, 2022; federal remediation due Jun 22, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 48.11% (percentile 99)
- Assigned by
- Chrome
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
debian debian_linux debian:debian_linux | 8.0; 9.0 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 14.04; 15.10; 16.04 | NVD |
google chrome google:chrome | before 49.0.2623.108 | NVD |
suse package_hub suse:package_hub | all versions | NVD |
opensuse leap opensuse:leap | 42.1 | NVD |
opensuse opensuse opensuse:opensuse | 13.1 | NVD |
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop | 6.0 | NVD |
redhat enterprise_linux_eus redhat:enterprise_linux_eus | 6.7 | NVD |
redhat enterprise_linux_server redhat:enterprise_linux_server | 6.0 | NVD |
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation | 6.0 | NVD |
References
- http://rhn.redhat.com/errata/RHSA-2016-0525.htmlvendor-advisory, x-refsource-redhat, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00000.htmlvendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00039.htmlvendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
- http://googlechromereleases.blogspot.com/2016/03/stable-channel-update_24.htmlx-refsource-confirm, release-notes, vendor-advisory
- http://www.debian.org/security/2016/dsa-3531vendor-advisory, x-refsource-debian, mailing-list, third-party-advisory
- https://codereview.chromium.org/1804963002/x-refsource-confirm, patch
- http://www.securitytracker.com/id/1035423vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00001.htmlvendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
- https://code.google.com/p/chromium/issues/detail?id=594574x-refsource-confirm, exploit, issue-tracking, mailing-list
- http://www.ubuntu.com/usn/USN-2955-1vendor-advisory, x-refsource-ubuntu, third-party-advisory
- https://security.gentoo.org/glsa/201605-02vendor-advisory, x-refsource-gentoo, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-1646us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.