CVE-2025-9784 (GCVE-0-2025-9784)

Vulnerability from cvelistv5 – Published: 2025-09-02 13:37 – Updated: 2026-01-26 20:53
VLAI?
Title
Undertow: undertow madeyoureset http/2 ddos vulnerability
Summary
A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the "MadeYouReset" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts. While not a protocol bug, this highlights a common implementation weakness that can be exploited to cause a denial of service (DoS).
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 2.2.38.Final (semver)
    Red Hat Red Hat build of Apache Camel 4.14.2 for Spring Boot 3.5.8     cpe:/a:redhat:apache_camel_spring_boot:4.14
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    Red Hat Red Hat JBoss Enterprise Application Platform 8.1     cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
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    Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 Unaffected: 0:2.3.20-2.SP4_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8
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    Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 Unaffected: 0:2.3.20-2.SP4_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9
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    Red Hat Red Hat build of Apache Camel - HawtIO 4     cpe:/a:redhat:apache_camel_hawtio:4
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    Red Hat Red Hat Data Grid 8     cpe:/a:redhat:jboss_data_grid:8
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    Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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    Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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    Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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    Red Hat Red Hat Fuse 7     cpe:/a:redhat:jboss_fuse:7
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    Red Hat Red Hat JBoss Enterprise Application Platform 7     cpe:/a:redhat:jboss_enterprise_application_platform:7
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    Red Hat Red Hat JBoss Enterprise Application Platform 8     cpe:/a:redhat:jboss_enterprise_application_platform:8
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    Red Hat Red Hat JBoss Enterprise Application Platform 8     cpe:/a:redhat:jboss_enterprise_application_platform:8
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    Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
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    Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
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    Red Hat Red Hat Process Automation 7     cpe:/a:redhat:jboss_enterprise_bpms_platform:7
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    Red Hat Red Hat Single Sign-On 7     cpe:/a:redhat:red_hat_single_sign_on:7
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    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.