Use-after-free error in Pale Moon - CVE-2018-12292
Published: June 25, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU13538
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2018-12292
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The weakness exists due to use-after-free error in DOMProxyHandler::EnsureExpandoObject. A remote unauthenticated attacker can trigger memory corruption and cause the service to crash or execute arbitrary code with elevated privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Pale Moon
How to mitigate CVE-2018-12292
Update to version 27.9.3.
Pale Moon - update to 27.9.3