USN-3010-1: Expat vulnerabilities

20 June 2016

Several security issues were fixed in Expat.

Releases

Packages

  • expat - XML parsing C library

Details

It was discovered that Expat unexpectedly called srand in certain
circumstances. This could reduce the security of calling applications.
(CVE-2012-6702)

It was discovered that Expat incorrectly handled seeding the random number
generator. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2016-5300)

Update instructions

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

Ubuntu 16.04
Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

After a standard system upgrade you need to restart any applications linked
against Expat to effect the necessary changes.

Related notices

  • USN-3013-1: libxmlrpc-core-c3, libxmlrpc-c++4, xmlrpc-c