Apache Tomcat: APR/Native Connector crash leading to DoS
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Apache Software Foundation | Apache Tomcat | unaffected |
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No data.
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | — |
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-4244-1 | tomcat9 security update |
EUVD |
EUVD-2025-21045 | Apache Tomcat Utilities is vulnerable to resource exhaustion when using the APR/Native connector |
Github GHSA |
GHSA-4j3c-42xv-3f84 | Apache Tomcat is vulnerable to resource exhaustion when using the APR/Native connector |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 2.1% (2.074% probability within 30 days)
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| Description | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. Older, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.107, which fixes the issue. | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.107, which fixes the issue. |
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| Description | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. Users are recommended to upgrade to version 9.0.107, which fixes the issue. | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. Older, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.107, which fixes the issue. |
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| CPEs | cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* |
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| Description | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections. This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106. Users are recommended to upgrade to version 9.0.107, which fixes the issue. | |
| Title | Apache Tomcat: APR/Native Connector crash leading to DoS | |
| Weaknesses | CWE-362 | |
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