Graphviz could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that Graphviz incorrectly handled memory in the yyerror function. If a user were tricked into opening a specially crafted dot file, an attacker could cause Graphviz to crash, or possibly execute arbitrary code. (CVE-2014-0978, CVE-2014-1235)
16 January 2014
A security issue affects these releases of Ubuntu and its derivatives:
Graphviz could be made to crash or run programs as your login if it opened a specially crafted file.
It was discovered that Graphviz incorrectly handled memory in the yyerror function. If a user were tricked into opening a specially crafted dot file, an attacker could cause Graphviz to crash, or possibly execute arbitrary code. (CVE-2014-0978, CVE-2014-1235)
It was discovered that Graphviz incorrectly handled memory in the chkNum function. If a user were tricked into opening a specially crafted dot file, an attacker could cause Graphviz to crash, or possibly execute arbitrary code. (CVE-2014-1236)
The default compiler options for affected releases should reduce the vulnerability to a denial of service.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon