The MITRE CVE dictionary describes this issue as:
The Page destructor in Page.cc in libpoppler in Poppler 0.8.4 and earlier deletes a pageWidgets object even if it is not initialized by a Page constructor, which allows remote attackers to execute arbitrary code via a crafted PDF document.
Find out more about CVE-2008-2950 from the
MITRE CVE dictionary dictionary and
Not vulnerable. This issue did not affect the versions of poppler as shipped with Red Hat Enterprise Linux 5, or other PDF parsing applications derived from the xpdf code as shipped in Red Hat Enterprise Linux 2.1, 3, 4, or 5.