The remote host is missing an update to openexr announced via advisory USN-831-1.

The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.04 LTS: libopenexr2ldbl 1.2.2-4.4ubuntu1.1 Ubuntu 8.10: libopenexr6 1.6.1-3ubuntu1.8.10.1 Ubuntu 9.04: libopenexr6 1.6.1-3ubuntu1.9.04.1 In general, a standard system upgrade is sufficient to effect the necessary changes. https://secure1.securityspace.com/smysecure/catid.html?in=USN-831-1

Drew Yao discovered several flaws in the way OpenEXR handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1720, CVE-2009-1721) It was discovered that OpenEXR did not properly handle certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-1722)