CVE-2017-12595: Qpdf Project Qpdf

High severity, CVSS 7.8. EPSS: 1.8% chance of exploitation in the next 30 days.

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.

Affected products

• Qpdf Project Qpdf: version 6.0.0 only; version 7.0.b1 only

Published 2017-08-27. Last modified 2026-06-17.