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[Snyk] Security upgrade tomcat from 8.5.21 to 8#23

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snyk-fix-7f3fcd06b7c032530a0997d53c2f11e3
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[Snyk] Security upgrade tomcat from 8.5.21 to 8#23
sealmindset wants to merge 1 commit intomasterfrom
snyk-fix-7f3fcd06b7c032530a0997d53c2f11e3

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@sealmindset
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This PR was automatically created by Snyk using the credentials of a real user.


Keeping your Docker base image up-to-date means you’ll benefit from security fixes in the latest version of your chosen image.

Changes included in this PR

  • Dockerfile

We recommend upgrading to tomcat:8, as this image has only 94 known vulnerabilities. To do this, merge this pull request, then verify your application still works as expected.

Some of the most important vulnerabilities in your base image include:

Severity Priority Score / 1000 Issue Exploit Maturity
critical severity 714 Out-of-bounds Read
SNYK-DEBIAN9-CURL-358855
No Known Exploit
critical severity 714 Out-of-bounds Read
SNYK-DEBIAN9-CURL-358869
No Known Exploit
critical severity 714 Out-of-bounds Write
SNYK-DEBIAN9-CURL-466505
No Known Exploit
critical severity 714 Double Free
SNYK-DEBIAN9-CURL-466508
No Known Exploit
critical severity 714 Out-of-bounds Write
SNYK-DEBIAN9-WGET-342192
No Known Exploit

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Learn about vulnerability in an interactive lesson of Snyk Learn.

@secure-code-warrior-for-github
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Micro-Learning Topic: Double free (Detected by phrase)

Matched on "Double Free"

What is this? (2min video)

Double free errors occur when free() is called more than once with the same memory address as an argument.

Try this challenge in Secure Code Warrior

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