REDHAT-BUG-2041427
First published: Mon Jan 17 2022(Updated: )
It was discovered that the implementation of the IdentityHashMap class in the Libraries component of OpenJDK did properly validate the value of its size attribute when creating object instance from a serialized form. A specially-crafted input could cause a Java application to use an excessive amount of memory when deserialized.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK |
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Reference Links
- https://www.oracle.com/security-alerts/cpujan2022.html#AppendixJAVA
- https://access.redhat.com/errata/RHSA-2022:0161
- https://access.redhat.com/errata/RHSA-2022:0233
- https://access.redhat.com/errata/RHSA-2022:0209
- https://access.redhat.com/errata/RHSA-2022:0185
- https://access.redhat.com/errata/RHSA-2022:0211
- https://access.redhat.com/errata/RHSA-2022:0204
- https://access.redhat.com/errata/RHSA-2022:0166
- https://access.redhat.com/errata/RHSA-2022:0165
- https://access.redhat.com/errata/RHSA-2022:0228
- https://access.redhat.com/errata/RHSA-2022:0229
- https://github.com/openjdk/jdk17u/commit/94f41162f4cb14cd48860e002a1c97e50f42a556
- https://github.com/openjdk/jdk11u-dev/commit/33a7c689cbfe89a3dd3cf258f7776a35445e651b
- http://hg.openjdk.java.net/jdk8u/monojdk8u/rev/22fe1e492c16
- https://access.redhat.com/errata/RHSA-2022:0304
- https://access.redhat.com/errata/RHSA-2022:0305
- https://access.redhat.com/errata/RHSA-2022:0307
- https://access.redhat.com/errata/RHSA-2022:0306
- https://access.redhat.com/errata/RHSA-2022:0312
- https://access.redhat.com/errata/RHSA-2022:0321
- https://access.redhat.com/errata/RHSA-2022:0317
- https://access.redhat.com/security/cve/cve-2022-21294
- https://access.redhat.com/errata/RHSA-2022:0970
- https://access.redhat.com/errata/RHSA-2022:0969
- https://access.redhat.com/errata/RHSA-2022:0968
- https://bugzilla.redhat.com/show_bug.cgi?id=2041427
Frequently Asked Questions
What is the severity of REDHAT-BUG-2041427?
The severity of REDHAT-BUG-2041427 is categorized as moderate.
How do I fix REDHAT-BUG-2041427?
To fix REDHAT-BUG-2041427, ensure you update to the latest version of OpenJDK that includes the necessary patches.
What does REDHAT-BUG-2041427 affect?
REDHAT-BUG-2041427 affects applications using the IdentityHashMap class in the Libraries component of OpenJDK.
What type of vulnerability is REDHAT-BUG-2041427?
REDHAT-BUG-2041427 is a deserialization vulnerability that can lead to excessive resource consumption.
Is REDHAT-BUG-2041427 exploitable remotely?
Yes, REDHAT-BUG-2041427 can be exploited remotely if an application is exposed to specially-crafted serialized input.
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