NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package poppler  (opens in a new tab)


Threat Intelligence

EPSS
0.07% (33rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UBUNTU1904-POPPLER-649945
  • published10 Sept 2020
  • disclosed18 Oct 2018

Introduced: 18 Oct 2018

CVE-2018-18459  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream poppler package and not the poppler package as distributed by Ubuntu.

The function DCTStream::getBlock in Stream.cc in Xpdf 4.00 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted pdf file, as demonstrated by pdftoppm.