Inappropriate Encoding for Output Context Affecting firefox package, versions <0:91.7.0-3.el8_5


Severity

Recommended
0.0
critical
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.82% (83rd percentile)

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  • Snyk IDSNYK-RHEL8-FIREFOX-4204744
  • published22 Feb 2022
  • disclosed19 Feb 2022

Introduced: 19 Feb 2022

CVE-2022-25235  (opens in a new tab)
CWE-838  (opens in a new tab)

How to fix?

Upgrade RHEL:8 firefox to version 0:91.7.0-3.el8_5 or higher.
This issue was patched in RHSA-2022:0818.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by RHEL. See How to fix? for RHEL: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.

CVSS Scores

version 3.1