Type confusion in Mozilla Firefox - CVE-2019-9795
Published: March 21, 2019 / Updated: March 21, 2019
Vulnerability identifier: #VU18034
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-9795
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a type confusion error within the IonMonkey just-in-time (JIT) compiler. A remote attacker can trick the victim to visit a specially crafted web page, trigger type confusion error and execute arbitrary code on the system with privileges of the current user.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2019-9795
Install updates from vendor's website.