Buffer overflow in Firefox ESR and Mozilla Firefox - CVE-2019-17015
Published: January 7, 2020 / Updated: January 8, 2020
Vulnerability identifier: #VU24053
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2019-17015
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error during the initialization of a new content process. A remote attacker can create a specially crafted web site, trick the victim into opening 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.
Note, the vulnerability affects Windows users only.
Affected software
Firefox ESR
Mozilla Firefox
Slackware Linux
Opensuse
Mozilla Thunderbird
Mozilla Firefox
Slackware Linux
Opensuse
Mozilla Thunderbird
How to mitigate CVE-2019-17015
Install updates from vendor's website.
Firefox ESR - update to 68.4.0
Mozilla Firefox - update to 72.0
Mozilla Thunderbird - update to 68.4.1
Mozilla Firefox - update to 72.0
Mozilla Thunderbird - update to 68.4.1