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USN-3356-2: Expat vulnerability

19 July 2017

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



  • expat - XML parsing C library


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

Original advisory details:

It was discovered that Expat incorrectly handled certain external entities.
A remote attacker could possibly use this issue to cause 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

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


Related notices

  • USN-3356-1: libexpat1-udeb, lib64expat1-dev, libexpat1-dev, lib64expat1, libexpat1, expat