rendering/render_replaced.cpp in Konqueror in KDE before 4.9.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted web page, related to "trying to reuse a frame with a null part."
Buffer overflow in the VCF file information reader for KDE Personal Information Management (kdepim) suite in KDE 3.1.0 through 3.1.4 allows attackers to execute arbitrary code via a VCF file.