CVE-2016-1646 Google Chromium V8 Out-of-Bounds Read

What is CVE-2016-1646?

CVE-2016-1646 is a high-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 29 Mar 2016. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

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.

Weakness: CWE-125

Which versions are affected by CVE-2016-1646?

It affects 10 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Google Chrome, Opensuse Leap, Opensuse Opensuse, Redhat Enterprise Linux Desktop and 4 more.

How do I fix CVE-2016-1646?

Upgrade to a fixed version. US federal agencies must fix it by 22 Jun 2022.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2016-1646 being exploited?

Yes. Attackers have exploited CVE-2016-1646 in the wild since at least 8 Jun 2022.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-93cg-vfx4-pxr4, UBUNTU-CVE-2016-1646.