REDHAT-BUG-1760963
First published: Fri Oct 11 2019(Updated: )
It was discovered that the Pattern class in the Concurrency component in OpenJDK could throw an unexpected StackOverflowError exception when compiling specially crafted regular expression. This could possibly cause a Java application to exit because of an unhandled exception if it processed untrusted regular expressions.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenJDK 17 |
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Reference Links
- https://www.oracle.com/security-alerts/cpuoct2019.html#AppendixJAVA
- https://access.redhat.com/errata/RHSA-2019:3128
- https://access.redhat.com/errata/RHSA-2019:3127
- https://access.redhat.com/errata/RHSA-2019:3134
- https://access.redhat.com/errata/RHSA-2019:3135
- https://access.redhat.com/errata/RHSA-2019:3136
- https://access.redhat.com/errata/RHSA-2019:3158
- https://access.redhat.com/errata/RHSA-2019:3157
- http://hg.openjdk.java.net/jdk-updates/jdk11u/rev/b0cef26e900b
- http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/643871d087e0
- http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/4d26a82eead6
- https://access.redhat.com/security/cve/cve-2019-2964
- https://access.redhat.com/errata/RHSA-2019:4110
- https://access.redhat.com/errata/RHSA-2019:4109
- https://access.redhat.com/errata/RHSA-2019:4113
- https://access.redhat.com/errata/RHSA-2019:4115
- https://access.redhat.com/errata/RHSA-2020:0006
- https://access.redhat.com/errata/RHSA-2020:0046
- https://bugzilla.redhat.com/show_bug.cgi?id=1760963
Frequently Asked Questions
What is the severity of REDHAT-BUG-1760963?
The severity of REDHAT-BUG-1760963 is classified as a medium risk due to potential unexpected application exits.
How do I fix REDHAT-BUG-1760963?
To fix REDHAT-BUG-1760963, update your Oracle OpenJDK to the latest version that addresses this vulnerability.
What versions of OpenJDK are affected by REDHAT-BUG-1760963?
OpenJDK 17 and potentially earlier versions are affected by REDHAT-BUG-1760963.
What could happen if REDHAT-BUG-1760963 is exploited?
If exploited, REDHAT-BUG-1760963 could cause a Java application to exit unexpectedly due to an unhandled StackOverflowError.
Is REDHAT-BUG-1760963 specific to any particular regular expression?
Yes, REDHAT-BUG-1760963 can be triggered by specially crafted regular expressions that lead to a StackOverflowError.
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