Buffer overflow in the bufprint function in capiutil.c in libcapi, as used in Linux kernel 2.6.9 to 2.6.20 and isdn4k-utils, allows local users to cause a denial of service (crash) and possibly gain privileges via a crafted CAPI packet.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10503
http://www.securitytracker.com/id?1018539
http://www.securityfocus.com/bid/23333
http://www.redhat.com/support/errata/RHSA-2007-0774.html
http://www.redhat.com/support/errata/RHSA-2007-0705.html
http://www.redhat.com/support/errata/RHSA-2007-0673.html
http://www.redhat.com/support/errata/RHSA-2007-0672.html
http://www.redhat.com/support/errata/RHSA-2007-0671.html
http://www.mandriva.com/security/advisories?name=MDKSA-2007:078
http://support.avaya.com/elmodocs2/security/ASA-2007-404.htm
http://security.gentoo.org/glsa/glsa-200704-23.xml
http://secunia.com/advisories/27528
http://secunia.com/advisories/26760
http://secunia.com/advisories/26709
http://secunia.com/advisories/26478
http://secunia.com/advisories/26379
http://secunia.com/advisories/24777