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 consider element data types, which allows remote attackers to
02 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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-06-08. Federal remediation due 2022-06-22.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 48.11% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.7% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-03-29 10:00Z10 YR AGO
- Last updated
- 2025-10-21 23:55Z1 YR AGO
- Reserved
- 2016-01-12
- Assigning CNA
- Chrome
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- 50181593ca8a0dafe0e746b82b4bdd9d231ac2312f31f16599be833d48ba8f22
05 Affected products
06 References
- rhn.redhat.comRHSA-2016:0525http://rhn.redhat.com/errata/RHSA-2016-0525.html
- lists.opensuse.orgopenSUSE-SU-2016:0929http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00000.html
- lists.opensuse.orgopenSUSE-SU-2016:1059http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00039.html
- googlechromereleases.blogspot.comhttp://googlechromereleases.blogspot.com/2016/03/stable-channel-update_24.html
- www.debian.orgDSA-3531http://www.debian.org/security/2016/dsa-3531
- codereview.chromium.orghttps://codereview.chromium.org/1804963002/
- www.securitytracker.com1035423http://www.securitytracker.com/id/1035423
- lists.opensuse.orgopenSUSE-SU-2016:0930http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00001.html
- code.google.comhttps://code.google.com/p/chromium/issues/detail?id=594574
- www.ubuntu.comUSN-2955-1http://www.ubuntu.com/usn/USN-2955-1
- security.gentoo.orgGLSA-201605-02https://security.gentoo.org/glsa/201605-02
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-1646
07 Fixed in
Ubuntu 14.04 LTS
- chromium-browser Fixed in 49.0.2623.108-0ubuntu0.14.04.1.1113
- oxide-qt Fixed in 1.14.7-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- chromium-browser Fixed in 49.0.2623.108-0ubuntu1.1233
- libv8-3.14 No fix yet
- oxide-qt Fixed in 1.14.7-0ubuntu1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- libv8-3.14 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.