Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-86243: Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupported versions may also be affected. Users are recommended to upgrade to version 1.3.9 or 2.0.16, which fix the issue.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | tomcat-native | 0:1.2.38-3.amzn2 |
| Amazon Linux · 2 | tomcat-native-debuginfo | 0:1.2.38-3.amzn2 |
Vulnerabilities 1
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High 7.5
Apache Tomcat Native: DoS via TLS handshake
Buffer over-read vulnerability in Apache Tomcat Native during the TLS handshake permits a malicious user to trigger a DoS via a JVM crash. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier, unsupported versi…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-86243.html