CVE-2025-31650
HIGHApache Tomcat <9.0.103 - DoS
Title source: llmDescription
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
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