Actively exploited · Published Mar 29, 2016 · Assigned by Chrome
CVE-2016-1646
High 8.8 Exploited
In plain English
A high-severity out-of-bounds read in Chromium V8 from Google. Attackers are actively exploiting it in the wild (listed by CISA on June 8, 2022). The chance it is exploited in the next 30 days is estimated at 48.1% (higher than 99% of all known vulnerabilities). Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Jun 22, 2022.
Official 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.
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- RHSA-2016:0525 vendor-advisory, x_refsource_REDHAT
- openSUSE-SU-2016:0929 vendor-advisory, x_refsource_SUSE
- openSUSE-SU-2016:1059 vendor-advisory, x_refsource_SUSE
- http://googlechromereleases.blogspot.com/2016/03/stable-channel-update_24.html x_refsource_CONFIRM
- DSA-3531 vendor-advisory, x_refsource_DEBIAN
- https://codereview.chromium.org/1804963002/ x_refsource_CONFIRM
- 1035423 vdb-entry, x_refsource_SECTRACK
- openSUSE-SU-2016:0930 vendor-advisory, x_refsource_SUSE
- https://code.google.com/p/chromium/issues/detail?id=594574 x_refsource_CONFIRM
- USN-2955-1 vendor-advisory, x_refsource_UBUNTU
- GLSA-201605-02 vendor-advisory, x_refsource_GENTOO
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-1646 government-resource