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CVE-2025-31650

Apache Tomcat: DoS via malformed HTTP/2 PRIORITY_UPDATE frame

Published: Apr 28, 2025Updated: Nov 3, 2025 Sources: CVE List NVD GHSA BDUCWE-459
7.5HIGH
NVD MITRE
EPSS Score
66.9%
Top 0.8%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

Apache Tomcat Denial of Service via invalid HTTP priority header

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-459

Affected Products

Maven
package-ecosystem
org.apache.tomcat:tomcat-coyote
OSS Libraries
org.apache.tomcat.embed:tomcat-embed-core
OSS Libraries
Novell Inc.
commercial·US
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
Red Hat Inc.
commercial·USaka red hat
Red Hat Enterprise LinuxOn-premOS
Operating Systems / linux-distro
Red Hat JBoss Web ServerOn-prem
Operating Systems / linux-distro
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
Apache Software Foundation
oss-project·USaka apache foundation
Apache TomcatOn-premWeb App
Networking Infrastructure / load-balancer-proxy
АО «СберТех»
commercial·RUaka ao sbertech, сбертех
Platform V SberLinux OS ServerOn-premOS
Operating Systems / linux-distro
and 4 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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References

https://nvd.nist.gov/vuln/detail/CVE-2025-31650
nvd.nist.gov
https://github.com/apache/tomcat/commit/1eef1dc459c45f1e421d8bd25ef340fc1cc34edc
github.com
https://github.com/apache/tomcat/commit/40ae788c2e64d018b4e58cd4210bb96434d0100d
github.com
and 27 more references View all →
News mentions
Could not load news mentions.

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