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CVE-2018-18020

Published: 6 October 2018

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.

Priority

Low

Cvss 3 Severity Score

3.3

Score breakdown

Status

Package Release Status
qpdf
Launchpad, Ubuntu, Debian
groovy Ignored
(end of life)
bionic
Released (8.0.2-3ubuntu0.1)
cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(9.1.1-1build1)
hirsute Not vulnerable
(10.3.1-1)
impish Not vulnerable
(10.3.2-1)
jammy Not vulnerable
(10.3.2-1)
trusty Does not exist
(trusty was needs-triage)
upstream
Released (9.0.0-1)
xenial
Released (8.0.2-3~16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)

Severity score breakdown

Parameter Value
Base score 3.3
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L