Inappropriate Encoding for Output Context Affecting expat package, versions <0:2.2.5-4.el8_5.3


high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.47% (87th percentile)
Expand this section
NVD
9.8 critical
Expand this section
SUSE
7.5 high
Expand this section
Red Hat
9.8 critical

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-CENTOS8-EXPAT-2408677
  • published 22 Feb 2022
  • disclosed 19 Feb 2022

How to fix?

Upgrade Centos:8 expat to version 0:2.2.5-4.el8_5.3 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 Centos. See How to fix? for Centos:8 relevant fixed versions and status.

xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.