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CVE-2025-53506

Good to know:

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Date: July 10, 2025

Apache Tomcat, DoS via excessive HTTP/2 streams

Severity Score

Related Resources (9)

https://github.com/apache/tomcat/commit/2aa6261276ebe50b99276953591e3a2be7898bdb
https://github.com/apache/tomcat/commit/be8f330f83ceddaf3baeed57522e571572b6b99b
https://nvd.nist.gov/vuln/detail/CVE-2025-53506
https://security-tracker.debian.org/tracker/CVE-2025-53506
https://lists.apache.org/thread/p09775q0rd185m6zz98krg0fp45j8kr0
https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.107
https://github.com/apache/tomcat
https://github.com/apache/tomcat/commit/434772930f362145516dd60681134e7f0cf8115b
https://www.mend.io/vulnerability-database/CVE-2025-53506

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade Version

Upgrade to version org.apache.tomcat:tomcat-coyote:9.0.107;org.apache.tomcat:tomcat-coyote:11.0.9;org.apache.tomcat:tomcat-coyote:10.1.43;org.apache.tomcat.embed:tomcat-embed-core:9.0.107;https://github.com/apache/tomcat.git - 9.0.107

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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