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[USN-3227-1] ICU vulnerabilities

Posted on 13 March 2017
Ubuntu Security

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Ubuntu Security Notice USN-3227-1
March 13, 2017

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

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in ICU.

Software Description:
- icu: International Components for Unicode library

Details:

It was discovered that ICU incorrectly handled certain memory operations
when processing data. If an application using ICU processed crafted data,=

a remote attacker could possibly cause it to crash or potentially execute=

arbitrary code with the privileges of the user invoking the program.

Update instructions:

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

Ubuntu 16.10:
libicu57 57.1-4ubuntu0.1

Ubuntu 16.04 LTS:
libicu55 55.1-7ubuntu0.1

Ubuntu 14.04 LTS:
libicu52 52.1-3ubuntu0.5

Ubuntu 12.04 LTS:
libicu48 4.8.1.1-3ubuntu0.7

In general, a standard system update will make all the necessary changes.=


References:
http://www.ubuntu.com/usn/usn-3227-1
CVE-2014-9911, CVE-2015-4844, CVE-2016-0494, CVE-2016-6293,
CVE-2016-7415

Package Information:
https://launchpad.net/ubuntu/+source/icu/57.1-4ubuntu0.1
https://launchpad.net/ubuntu/+source/icu/55.1-7ubuntu0.1
https://launchpad.net/ubuntu/+source/icu/52.1-3ubuntu0.5
https://launchpad.net/ubuntu/+source/icu/4.8.1.1-3ubuntu0.7



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