cbcvebase.
CVE-2025-31650
published 2025-04-28

CVE-2025-31650: Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EXPLOIT
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.

Affected

11 ranges
VendorProductVersion rangeFixed in
apachetomcat
apachetomcat>= 10.1.10 < 10.1.4010.1.40
apachetomcat>= 11.0.1 < 11.0.611.0.6
apachetomcat>= 9.0.76 < 9.0.1049.0.104
apache_software_foundationapache_tomcat10.1.10 – 10.1.39
apache_software_foundationapache_tomcat11.0.0-M2 – 11.0.5
apache_software_foundationapache_tomcat8.5.90 – 8.5.100
apache_software_foundationapache_tomcat9.0.76 – 9.0.102
debiantomcat10< tomcat10 10.1.40-1 (bookworm)tomcat10 10.1.40-1 (bookworm)
debiantomcat11< tomcat10 10.1.40-1 (bookworm)tomcat10 10.1.40-1 (bookworm)
debiantomcat9< tomcat10 10.1.40-1 (bookworm)tomcat10 10.1.40-1 (bookworm)

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv9.8CRITICAL