Loop with Unreachable Exit Condition ('Infinite Loop') Affecting tomcat9 package, versions <9.0.37-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
14.8% (96th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-TOMCAT9-584406
  • published14 Jul 2020
  • disclosed14 Jul 2020

Introduced: 14 Jul 2020

CVE-2020-13935  (opens in a new tab)
CWE-835  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Debian:unstable tomcat9 to version 9.0.37-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat 10.0.0-M1 to 10.0.0-M6, 9.0.0.M1 to 9.0.36, 8.5.0 to 8.5.56 and 7.0.27 to 7.0.104. Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

CVSS Scores

version 3.1