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Ubuntu Security Notice USN-2943-1
March 29, 2016

pcre3 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 15.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

PCRE could be made to crash or run programs if it processed a
specially-crafted regular expression.

Software Description:
– pcre3: Perl 5 Compatible Regular Expression Library

Details:

It was discovered that PCRE incorrectly handled certain regular
expressions. A remote attacker could use this issue to cause applications
using PCRE to crash, resulting in a denial of service, or possibly execute
arbitrary code.

Update instructions:

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

Ubuntu 15.10:
libpcre3 2:8.35-7.1ubuntu1.3

Ubuntu 14.04 LTS:
libpcre3 1:8.31-2ubuntu2.2

Ubuntu 12.04 LTS:
libpcre3 8.12-4ubuntu0.2

After a standard system update you need to restart applications using PCRE,
such as the Apache HTTP server and Nginx, to make all the necessary
changes.

References:
http://www.ubuntu.com/usn/usn-2943-1
CVE-2014-9769, CVE-2015-2325, CVE-2015-2326, CVE-2015-2327,
CVE-2015-2328, CVE-2015-3210, CVE-2015-5073, CVE-2015-8380,
CVE-2015-8381, CVE-2015-8382, CVE-2015-8383, CVE-2015-8384,
CVE-2015-8385, CVE-2015-8386, CVE-2015-8387, CVE-2015-8388,
CVE-2015-8389, CVE-2015-8390, CVE-2015-8391, CVE-2015-8392,
CVE-2015-8393, CVE-2015-8394, CVE-2015-8395, CVE-2016-1283,
CVE-2016-3191

Package Information:
https://launchpad.net/ubuntu/+source/pcre3/2:8.35-7.1ubuntu1.3
https://launchpad.net/ubuntu/+source/pcre3/1:8.31-2ubuntu2.2
https://launchpad.net/ubuntu/+source/pcre3/8.12-4ubuntu0.2

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