Multiple vulnerabilities were found in Oracle Java SE. Malicious users can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions, cause denial of service.

Below is a complete list of vulnerabilities:

1. OSI vulnerability in Libraries component of Java SE, Java SE Embedded can be exploited to obtain sensitive information.
2. Security vulnerability in Libraries component of Java SE, Java SE Embedded can be exploited to bypass security restrictions.
3. OSI vulnerability in Hotpost component of Java SE, Java SE Embedded can be exploited to obtain sensitive information.
4. OSI vulnerability in JNDI component of Java SE, Java SE Embedded can be exploited to obtain sensitive information.
5. DoS vulnerability in Serialization component of Java SE, Java SE Embedded can be exploited to cause denial of service.

Java SE: 7u271, 8u261, 11.0.8 and 15;
Java SE Embedded: 8u261

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Oracle Critical Patch Update Advisory – October 2020