Apache Tomcat: HTTP/2 request/response mix-up after error during async processing
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| Apache Software Foundation | Apache Tomcat | unaffected |
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No data.
| Package | CPE | Advisory | Released Date |
|---|---|---|---|
| Red Hat Hardened Images | |||
| tomcat11-main-11.0.27-0.1.hum1 | cpe:/a:redhat:hummingbird:1 | RHSA-2026:81365 | 2026-10-12T00:00:00Z |
| tomcat10-main-10.1.61-0.1.hum1 | cpe:/a:redhat:hummingbird:1 | RHSA-2026:85926 | 2026-10-20T00:00:00Z |
| Vendor | Product | Versions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache | Apache Tomcat |
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| Apache | Tomcat |
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| Apache Software Foundation | Tomcat |
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No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.499% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Redhat
Redhat hummingbird |
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| Weaknesses | CWE-488 | |
| CPEs | cpe:/a:redhat:hummingbird:1 | |
| Vendors & Products |
Redhat
Redhat hummingbird |
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| References |
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| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-362 | |
| References |
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| Metrics |
cvssV3_1
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| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-200 CWE-754 |
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apache
Apache apache Tomcat Apache tomcat Apache Software Foundation Apache Software Foundation tomcat |
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| Vendors & Products |
Apache
Apache apache Tomcat Apache tomcat Apache Software Foundation Apache Software Foundation tomcat |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users. This issue affects Apache Tomcat: from 11.0.22 through 11.0.26, from 10.1.55 through 10.1.60, from 9.0.118 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fixes the issue. | |
| Title | Apache Tomcat: HTTP/2 request/response mix-up after error during async processing | |
| References |
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