libtomcat9-embed-java: 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...
CVE-2020-13935 is fixed in 8 products on 1 platform, first by libtomcat9-embed-java 9.0.31-1ubuntu0.1, released July 14, 2020. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libtomcat9-embed-java · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | libtomcat9-embed-java 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| libtomcat9-java · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | libtomcat9-java 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| tomcat9 · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | tomcat9 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| tomcat9-admin · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | tomcat9-admin 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| tomcat9-common · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | tomcat9-common 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| tomcat9-docs · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | tomcat9-docs 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| tomcat9-examples · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | tomcat9-examples 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
| tomcat9-user · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.1 | tomcat9-user 9.0.31-1ubuntu0.1 | Jul 14, 2020 |
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