Inappropriate Encoding for Output Context Affecting thunderbird package, versions <0:91.7.0-2.amzn2.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.82% (83rd percentile)

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  • Snyk IDSNYK-AMZN2-THUNDERBIRD-2804989
  • published28 Apr 2022
  • disclosed16 Feb 2022

Introduced: 16 Feb 2022

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

How to fix?

Upgrade Amazon-Linux:2 thunderbird to version 0:91.7.0-2.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1779.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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