Published: 27/08/2017 Updated: 08/05/2018

CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6

CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8

VMScore: 605

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

The tokenizer in QPDF 6.0.0 and 7.0.b1 is recursive for arrays and dictionaries, which allows remote malicious users 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.

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qpdf project qpdf 6.0.0
qpdf project qpdf 7.0.b1

Several security issues were fixed in QPDF ...

The tokenizer in QPDF 600 and 70b1 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/QPDFO ...

CWE-20 https://github.com/qpdf/qpdf/issues/146 https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4b https://usn.ubuntu.com/3638-1/https://usn.ubuntu.com/3638-1/https://nvd.nist.gov

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CVE-2017-12595

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