Uncontrolled Recursion Affecting qpdf package, versions <8.0.2-3~14.04.1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.41% (74th percentile)

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  • Snyk IDSNYK-UBUNTU1404-QPDF-319503
  • published10 Apr 2018
  • disclosed10 Apr 2018

Introduced: 10 Apr 2018

CVE-2018-9918  (opens in a new tab)
CWE-674  (opens in a new tab)

How to fix?

Upgrade Ubuntu:14.04 qpdf to version 8.0.2-3~14.04.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qpdf package and not the qpdf package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 relevant fixed versions and status.

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.