CVE-2016-1643
CWE-361Published: March 13, 2016· Updated: Jun 17, 2026
Official Description
The ImageInputType::ensurePrimaryContent function in WebKit/Source/core/html/forms/ImageInputType.cpp in Blink, as used in Google Chrome before 49.0.2623.87, does not properly maintain the user agent shadow DOM, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that leverage "type confusion."
Technical Analysis
CVE-2016-1643 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (20)
Quick Facts
Related CVEs (CWE-361)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-1643 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts