# CVE-2019-10072: libtomcat8-embed-java: The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache T...

CVE-2019-10072 is fixed in 16 products on 1 platform, first by libtomcat8-embed-java 8.5.39-1ubuntu1~18.04.3, released June 20, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-10072
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.7299
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 20, 2019

## Description

The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libtomcat8-embed-java Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [libtomcat8-embed-java 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat8-embed-java-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | libtomcat8-java Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [libtomcat8-java 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat8-java-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | libtomcat9-embed-java Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [libtomcat9-embed-java 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat9-embed-java-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | libtomcat9-java Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [libtomcat9-java 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat9-java-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | tomcat8 Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [tomcat8 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | tomcat8-admin Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [tomcat8-admin 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-admin-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | tomcat8-common Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [tomcat8-common 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-common-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | tomcat8-docs Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [tomcat8-docs 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-docs-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | tomcat8-examples Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [tomcat8-examples 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-examples-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | tomcat8-user Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3 | [tomcat8-user 8.5.39-1ubuntu1~18.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-user-8.5.39-1ubuntu1-18.04.3.md) | Jun 20, 2019 |
| Linux | tomcat9 Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [tomcat9 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | tomcat9-admin Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [tomcat9-admin 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-admin-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | tomcat9-common Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [tomcat9-common 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-common-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | tomcat9-docs Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [tomcat9-docs 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-docs-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | tomcat9-examples Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [tomcat9-examples 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-examples-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |
| Linux | tomcat9-user Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.1 | [tomcat9-user 9.0.16-3ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-user-9.0.16-3ubuntu0.18.04.1.md) | Jun 20, 2019 |

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