XML External Entity (XXE) Injection Affecting expat package, versions <2.2.0-2+deb9u2


0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 60.91% (98th percentile)
Expand this section
NVD
7.5 high
Expand this section
SUSE
5.3 medium
Expand this section
Red Hat
7.5 high

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 ID SNYK-DEBIAN9-EXPAT-450910
  • published 24 Jun 2019
  • disclosed 24 Jun 2019

How to fix?

Upgrade Debian:9 expat to version 2.2.0-2+deb9u2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service attacks).