CVE-2018-9918

libqpdf.a in QPDF through 8.0.2 mishandles certain "expected dictionary key but found non-name object" cases, allowing remote attackers to cause a denial of service (stack exhaustion), related to the QPDFObjectHandle and QPDF_Dictionary classes, because nesting in direct objects is not restricted.

• CWE-674

• https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223Patch
• https://github.com/qpdf/qpdf/issues/202Exploit, Issue Tracking, Patch, Third Party Advisory
• https://usn.ubuntu.com/3638-1/Third Party Advisory
• https://github.com/qpdf/qpdf/commit/b4d6cf6836ce025ba1811b7bbec52680c7204223Patch
• https://github.com/qpdf/qpdf/issues/202Exploit, Issue Tracking, Patch, Third Party Advisory
• https://usn.ubuntu.com/3638-1/Third Party Advisory

Published

Apr 10, 2018

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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