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HIGH · 7.8

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 ...

Vulnerability 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

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Qpdf ProjectQpdf<= 8.0.2
CanonicalUbuntu Linux14.04

Related Weaknesses (CWE)

CWE-674

References

FAQ

What is CVE-2018-9918?

CVE-2018-9918 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...

How severe is CVE-2018-9918?

CVE-2018-9918 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-9918?

Check the references section above for vendor advisories and patch information. Affected products include: Qpdf Project Qpdf, Canonical Ubuntu Linux.