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Ubuntu Security Notice USN-3735-1

Ubuntu Security Notice USN-3735-1
Posted Aug 10, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3735-1 - It was discovered that the PatternSyntaxException class in OpenJDK did not properly validate arguments passed to it. An attacker could use this to potentially construct a class that caused a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2018-2952
SHA-256 | 88098eb2769aa29c5b05bc76ffd635e41b709a1a965dcbc9845ba3c2f8157986

Ubuntu Security Notice USN-3735-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3735-1
August 10, 2018

openjdk-7 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Java applications could be made to use excessive memory.

Software Description:
- openjdk-7: Open Source Java implementation

Details:

It was discovered that the PatternSyntaxException class in OpenJDK did
not properly validate arguments passed to it. An attacker could use
this to potentially construct a class that caused a denial of service
(excessive memory consumption).

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
icedtea-7-jre-jamvm 7u181-2.6.14-0ubuntu0.2
openjdk-7-jdk 7u181-2.6.14-0ubuntu0.2
openjdk-7-jre 7u181-2.6.14-0ubuntu0.2
openjdk-7-jre-headless 7u181-2.6.14-0ubuntu0.2
openjdk-7-jre-lib 7u181-2.6.14-0ubuntu0.2

After a standard system update you need to restart any Java
applications or applets to make all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3735-1
CVE-2018-2952

Package Information:
https://launchpad.net/ubuntu/+source/openjdk-7/7u181-2.6.14-0ubuntu0.2

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