Inappropriate Encoding for Output Context Affecting tomcat9-docs-webapp package, versions <1:9.0.117-1.amzn2023.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.46% (37th percentile)

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  • Snyk IDSNYK-AMZN2023-TOMCAT9DOCSWEBAPP-16710685
  • published16 May 2026
  • disclosed9 Apr 2026

Introduced: 9 Apr 2026

CVE-2026-34483  (opens in a new tab)
CWE-838  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 tomcat9-docs-webapp to version 1:9.0.117-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2026-1672.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9-docs-webapp package and not the tomcat9-docs-webapp package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Improper Encoding or Escaping of Output vulnerability in the JsonAccessLogValve component of Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.20, from 10.1.0-M1 through 10.1.53, from 9.0.40 through 9.0.116.

Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117 , which fix the issue.

CVSS Base Scores

version 3.1