CVE-2025-31650

HIGH

Apache Tomcat <9.0.103 - DoS

Title source: llm

Description

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of service. This issue affects Apache Tomcat: from 9.0.76 through 9.0.102, from 10.1.10 through 10.1.39, from 11.0.0-M2 through 11.0.5. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.90 though 8.5.100. Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.

Exploits (8)

exploitdb WORKING POC
by Abdualhadi khalifa · pythonremotemultiple
https://www.exploit-db.com/exploits/52318
nomisec WORKING POC 18 stars
by absholi7ly · poc
https://github.com/absholi7ly/TomcatKiller-CVE-2025-31650
nomisec WORKING POC 2 stars
by tunahantekeoglu · poc
https://github.com/tunahantekeoglu/CVE-2025-31650
nomisec WORKING POC
by B1gN0Se · poc
https://github.com/B1gN0Se/Tomcat-CVE-2025-31650
nomisec WORKING POC
by obscura-cert · poc
https://github.com/obscura-cert/CVE-2025-31650
nomisec WORKING POC
by assad12341 · poc
https://github.com/assad12341/Dos-exploit-
nomisec SCANNER
by sattarbug · poc
https://github.com/sattarbug/Analysis-of-TomcatKiller---CVE-2025-31650-Exploit-Tool

Scores

CVSS v3 7.5
EPSS 0.0955
EPSS Percentile 92.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-459
Status published
Products (4)
apache/tomcat 11.0.0 milestone10 (24 CPE variants)
apache/tomcat 9.0.76 - 9.0.104
org.apache.tomcat/tomcat-coyote 9.0.76 - 9.0.104Maven
org.apache.tomcat.embed/tomcat-embed-core 9.0.76 - 9.0.104Maven
Published Apr 28, 2025
Tracked Since Feb 18, 2026