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CVE-2025-48989

Apache Tomcat: h2 DoS - Made You Reset

Published: Aug 13, 2025Updated: May 12, 2026 Sources: CVE List NVD GHSA BDU csafCWE-404
7.5HIGH
NVD MITRE
EPSS Score
3.5%
Top 11.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected. Users are recommended to upgrade to one of versions 11.0.10, 10.1.44 or 9.0.108 which fix the issue.

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-404

Affected Products

Maven
package-ecosystem
org.apache.tomcat:tomcat-coyote
OSS Libraries
org.apache.tomcat.embed:tomcat-embed-core
OSS Libraries
Apache Software Foundation
oss-project·USaka apache foundation
Apache TomcatOn-premWeb App
Networking Infrastructure / load-balancer-proxy
apache
oss-project·USaka apache httpd, apache http server
tomcatOn-premWeb App
Networking Infrastructure / load-balancer-proxy
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
АО «НТЦ ИТ РОСА»
commercial·RU
РОСА ХРОМOn-prem
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
АЛЬТ СП 10On-premOS
Operating Systems / linux-distro
and 2 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2025-48989?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://lists.apache.org/thread/9ydfg0xr0tchmglcprhxgwhj0hfwxlyf
lists.apache.org
http://www.openwall.com/lists/oss-security/2025/08/13/2
openwall.com
https://www.kb.cert.org/vuls/id/767506
kb.cert.org
and 280 more references View all →

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