Use-after-free error in Firefox ESR - CVE-2017-5472
Published: June 14, 2017 / Updated: May 26, 2020
Vulnerability identifier: #VU7063
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-5472
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Firefox ESR
Firefox ESR
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to use-after-free error with the frameloader during tree reconstruction while regenerating CSS layout. A remote attacker can use a node in the tree that no longer exists, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to use-after-free error with the frameloader during tree reconstruction while regenerating CSS layout. A remote attacker can use a node in the tree that no longer exists, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2017-5472
Update to version 52.2.