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Ubuntu Security Notice USN-3356-2

Ubuntu Security Notice USN-3356-2
Posted Jul 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3356-2 - USN-3356-1 fix a vulnerability in Expat. This update provides the corresponding update for Ubuntu 12.04 ESM. A It was discovered that Expat incorrectly handled certain external A entities. A remote attacker could possibly use this issue to cause A Expat to hang, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
SHA-256 | 7298e45947fd02ee7303731ee6ff6c66f34cd68f1cb5281ef16ac87653584963

Ubuntu Security Notice USN-3356-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-3356-2
July 19, 2017

expat vulnerability
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Expat could be made to hang if it received specially crafted input.

Software Description:
- expat: XML parsing C library

Details:

USN-3356-1 fix a vulnerability in Expat. This update provides
the corresponding udpate for Ubuntu 12.04 ESM.

Original advisory details:

A It was discovered that Expat incorrectly handled certain external
A entities. A remote attacker could possibly use this issue to cause
A Expat to hang, resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
A lib64expat1A A A A A A A A A A A A A A A A A A A A A 2.0.1-7.2ubuntu1.5
A libexpat1A A A A A A A A A A A A A A A A A A A A A A A 2.0.1-7.2ubuntu1.5

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

References:
A https://www.ubuntu.com/usn/usn-3356-2
A https://www.ubuntu.com/usn/usn-3356-1
A CVE-2017-9233
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