Buffer overflow in Firefox ESR and Mozilla Firefox - CVE-2019-9810
Published: March 22, 2019 / Updated: April 27, 2023
Vulnerability identifier: #VU18061
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:A/U:Amber
CVE-ID: CVE-2019-9810
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Mozilla
Affected software:
Firefox ESR
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing incorrect information alias in IonMonkey JIT compiler for Array.prototype.slice method. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-9810
Install updates from vendor's website.