libtomcat9-embed-java: While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5...
CVE-2020-17527 is fixed in 8 products on 1 platform, first by libtomcat9-embed-java 9.0.16-3ubuntu0.18.04.2, released September 16, 2021. It is not reported as exploited. Patch Radar priority: Routine.
While investigating bug 64830 it was discovered that Apache Tomcat 10.0.0-M1 to 10.0.0-M9, 9.0.0-M1 to 9.0.39 and 8.5.0 to 8.5.59 could re-use an HTTP request header value from the previous stream received on an HTTP/2 connection for the request associated with the subsequent stream. While this would most likely lead to an error and the closure of the HTTP/2 connection, it is possible that information could leak between requests.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libtomcat9-embed-java · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | libtomcat9-embed-java 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| libtomcat9-embed-java · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | libtomcat9-embed-java 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| libtomcat9-java · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | libtomcat9-java 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| libtomcat9-java · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | libtomcat9-java 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| tomcat9 · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | tomcat9 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| tomcat9 · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | tomcat9 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| tomcat9-admin · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | tomcat9-admin 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| tomcat9-admin · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | tomcat9-admin 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| tomcat9-common · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | tomcat9-common 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| tomcat9-common · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | tomcat9-common 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| tomcat9-docs · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | tomcat9-docs 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| tomcat9-docs · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | tomcat9-docs 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| tomcat9-examples · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | tomcat9-examples 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| tomcat9-examples · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | tomcat9-examples 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
| tomcat9-user · Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2 | tomcat9-user 9.0.16-3ubuntu0.18.04.2 | Sep 16, 2021 |
| tomcat9-user · Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.2 | tomcat9-user 9.0.31-1ubuntu0.2 | Sep 16, 2021 |
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