CVE-2018-9918

qpdf: stack exhaustion in QPDFObjectHandle and QPDF_Dictionary classes in libqpdf.a

Loading…

Severity

Low

Red Hat Product Security

3.3

CVSS 3.0

Review impact separately from score.

Published · April 10, 2018

Updated · November 22, 2025

Description

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.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 3.3
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-400 · Uncontrolled Resource Consumption