CVE-2024-38286: Apache Tomcat: Denial of Service

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-11-07 · updated 2026-06-17
Weakness: CWE-770

Description

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M20, from 10.1.0-M1 through 10.1.24, from 9.0.13 through 9.0.89. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.35 through 8.5.100 and 7.0.92 through 7.0.109. Other EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M21, 10.1.25, or 9.0.90, which fixes the issue. Apache Tomcat, under certain configurations on any platform, allows an attacker to cause an OutOfMemoryError by abusing the TLS handshake process.

Affected products

Apache Tomcat: from 9.0.13 before 9.0.90; from 10.1.1 before 10.1.25; 10.1.0-milestone1, 10.1.0-milestone10, 10.1.0-milestone11, 10.1.0-milestone12, 10.1.0-milestone13, 10.1.0-milestone14 (+34) — fixed in 10.1.25, 9.0.90
NetApp Ontap Tools: 9, 10

How to fix

Upgrade to a fixed version: Apache Tomcat 10.1.25, 9.0.90. Check the vendor advisory for mitigations.

References

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