This security advisory describes one high risk vulnerability.
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in _XcursorThemeInherits in library.c. A remote attacker can trigger a one-byte heap overflow and cause the service to crash or execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.Mitigation
Update the affected packages.
i686:Vulnerable software versions
Amazon Linux AMI: 2017.03CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.