Advisory Published
Updated

REDHAT-BUG-2041897

First published: Tue Jan 18 2022(Updated: )

It was discovered that the ObjectInputStream class implementation in the Serialization component of OpenJDK did not sufficiently validate data read from the input serialized stream when reading serialized exceptions. A specially-crafted serialized stream could use this flaw to bypass certain deserialization restrictions (defined via jdk.serialFilter system or security property).

Affected SoftwareAffected VersionHow to fix
OpenJDK 17

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Frequently Asked Questions

  • What is the severity of REDHAT-BUG-2041897?

    The severity of REDHAT-BUG-2041897 is classified as high, indicating a significant risk to systems using the affected OpenJDK implementation.

  • How do I fix REDHAT-BUG-2041897?

    To fix REDHAT-BUG-2041897, you should apply the latest security updates or patches provided for the affected OpenJDK versions.

  • What are the risks associated with REDHAT-BUG-2041897?

    The risks associated with REDHAT-BUG-2041897 include the potential for unauthorized access to sensitive data and possible remote code execution through specially-crafted serialized streams.

  • Which versions of OpenJDK are affected by REDHAT-BUG-2041897?

    REDHAT-BUG-2041897 affects Oracle OpenJDK 17 and may impact other versions that utilize the vulnerable ObjectInputStream implementation.

  • When was REDHAT-BUG-2041897 disclosed?

    REDHAT-BUG-2041897 was disclosed in January 2022 as part of a broader set of security vulnerabilities affecting OpenJDK.

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