What’s Vulnerable › Vulnerabilities

CVE-2017-12595

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-08-27 · updated 2026-06-17
• Weakness: CWE-20

Description

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: 6.0.0, 7.0.b1

References

• https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4b
• https://github.com/qpdf/qpdf/issues/146
• https://usn.ubuntu.com/3638-1/
• https://github.com/qpdf/qpdf/commit/ad527a64f93dca12f6aabab2ca99ae5eb352ab4b
• https://github.com/qpdf/qpdf/issues/146
• https://usn.ubuntu.com/3638-1/

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