CVE-2026-32990 Apache Tomcat - The fix for CVE-2025-66614 is incomplete
Severity: Moderate
Vendor: The Apache Software Foundation
Versions Affected:
Apache Tomcat 11.0.15 to 11.0.19
Apache Tomcat 10.1.50 to 10.1.52
Apache Tomcat 9.0.113 to 9.0.115
Description:
The validation of SNI name and host name did not take account of
possible differences in case allowing the strict SNI checks to be bypassed.
Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.20 or later
- Upgrade to Apache Tomcat 10.1.53 or later
- Upgrade to Apache Tomcat 9.0.116 or later
Credit:
This issue was identified by zhengg
History:
2026-04-09 Original advisory
References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html
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