Updated samba packages has been released for Ubuntu Linux 12.04 ESM

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Ubuntu Security Notice USN-3595-2
March 23, 2018

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

- Ubuntu 12.04 ESM

Summary:

Samba could be made to crash if it received specially crafted
input.

Software Description:
- samba: SMB/CIFS file, print, and login server for Unix

Details:

USN-3595-1 fix a vulnerability in Samba. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that Samba incorrectly validated inputs to the RPC
 spoolss service. An authenticated attacker could use this issue to
 cause the service to crash, 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:
  samba 2:3.6.25-0ubuntu0.12.04.15

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

  Samba Security Update for Ubuntu 12.04 ESM