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Debian DSA-6120-1 Tomcat10 Serious Vulnerabilities Resource Depletion DoS

debian
Calendar Grey February 5, 2026
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Tomcat 10 receives critical updates addressing multiple security flaws leading to denial of service, upgrade is necessary.
Several security vulnerabilities have been found in Tomcat 10, a Java web server and servlet engine

Summary

Several security vulnerabilities have been found in Tomcat 10, a Java web
server and servlet engine. This update improves the handling of HTTP/2
connections and corrects various flaws which can lead to uncontrolled resource
consumption and a denial of service.

For the oldstable distribution (bookworm), these problems have been fixed
in version 10.1.52-1~deb12u1.

For the stable distribution (trixie), these problems have been fixed in
version 10.1.52-1~deb13u1.

We recommend that you upgrade your tomcat10 packages.

For the detailed security status of tomcat10 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/tomcat10

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
High
Critical

Package: tomcat10
CVE ID: CVE-2025-46701 CVE-2025-48976 CVE-2025-48988 CVE-2025-48989

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