The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows remote attackers to cause a denial of service (stack consumption and segmentation fault) or possibly have unspecified other impact via a PDF document with a deep data structure, as demonstrated by a crash in QPDFObjectHandle::parseInternal in libqpdf/QPDFObjectHandle.cc.
{ "binaries": [ { "binary_name": "libqpdf-dev", "binary_version": "8.0.2-3~14.04.1" }, { "binary_name": "libqpdf21", "binary_version": "8.0.2-3~14.04.1" }, { "binary_name": "libqpdf21-dbgsym", "binary_version": "8.0.2-3~14.04.1" }, { "binary_name": "qpdf", "binary_version": "8.0.2-3~14.04.1" }, { "binary_name": "qpdf-dbgsym", "binary_version": "8.0.2-3~14.04.1" } ], "availability": "No subscription required", "ubuntu_priority": "low" }
{ "binaries": [ { "binary_name": "libqpdf-dev", "binary_version": "8.0.2-3~16.04.1" }, { "binary_name": "libqpdf21", "binary_version": "8.0.2-3~16.04.1" }, { "binary_name": "libqpdf21-dbgsym", "binary_version": "8.0.2-3~16.04.1" }, { "binary_name": "qpdf", "binary_version": "8.0.2-3~16.04.1" }, { "binary_name": "qpdf-dbgsym", "binary_version": "8.0.2-3~16.04.1" } ], "availability": "No subscription required", "ubuntu_priority": "low" }
{ "binaries": [ { "binary_name": "libqpdf-dev", "binary_version": "7.0.0-1" }, { "binary_name": "libqpdf18", "binary_version": "7.0.0-1" }, { "binary_name": "libqpdf18-dbgsym", "binary_version": "7.0.0-1" }, { "binary_name": "qpdf", "binary_version": "7.0.0-1" }, { "binary_name": "qpdf-dbgsym", "binary_version": "7.0.0-1" } ], "availability": "No subscription required", "ubuntu_priority": "low" }