Out-of-bounds Read in Google Chrome
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 cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted JavaScript code.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.481 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.481 · newest: 0.481 · change: 0.000
Affected products
- Google Chrome
- Canonical Ubuntu Linux — versions 14.04, 15.10, 16.04
- Debian Linux — versions 8.0, 9.0
- openSUSE Leap — versions 42.1
- openSUSE — versions 13.1
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Eus — versions 6.7
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Workstation — versions 6.0
- SUSE Package Hub
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- rhn.redhat.com/errata/RHSA-2016-0525.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00000.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00039.html (vendor-advisory, Mailing List, Third Party Advisory)
- googlechromereleases.blogspot.com/2016/03/stable-channel-update_24.html (Release Notes, Vendor Advisory)
- www.debian.org/security/2016/dsa-3531 (vendor-advisory, Mailing List, Third Party Advisory)
- codereview.chromium.org/1804963002/ (Patch)
- www.securitytracker.com/id/1035423 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00001.html (vendor-advisory, Mailing List, Third Party Advisory)
- code.google.com/p/chromium/issues/detail (Exploit, Mailing List, Issue Tracking)
- www.ubuntu.com/usn/USN-2955-1 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-1646?
- CVE-2016-1646 is a high-severity vulnerability in Google Chrome, classified under Out-of-bounds Read. CVSS score: 8.8/10. Published 2016-03-29.
- How severe is CVE-2016-1646?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-1646 known to be exploited?
- Yes. CVE-2016-1646 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating it is being actively exploited. 10 public proof-of-concept repositories are indexed.