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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
NVD MITRE
7.5CVSSHIGH
EPSS Score
2.9%
Top 14.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

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

tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
РЕД ОСООО «Ред Софт»
On-premOS
Operating Systems / linux-distro
РОСА ХРОМАО «НТЦ ИТ РОСА»
On-prem
Operating Systems / linux-distro
АЛЬТ СП 10АО «ИВК»
On-premOS
Operating Systems / linux-distro
TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
ооо «ред софт»commercialRUOperating Systemsaka red soft
ао «нтц ит роса»commercialRUOperating Systems
ао «ивк»commercialRUOperating Systemsaka ivk
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
and 4 more affected products View all →

Exploitability

Official Patch Available

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 →

Timeline

Published
Aug 13, 2025
Last Updated
May 12, 2026

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