CVE-2018-18020

2018-10-0600:00:00

ubuntu.com

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

41.3%

JSON

In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and
QPDFWriter::unparseChild have recursive calls for a long time, which allows
remote attackers to cause a denial of service via a crafted PDF file.

Bugs

<https://github.com/qpdf/qpdf/issues/243>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchqpdf< 8.0.2-3ubuntu0.1UNKNOWN
ubuntu16.04noarchqpdf< 8.0.2-3~16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN