CVE-2025-9784
A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters.
Published Sep 2, 2025 · updated Oct 14, 2026 · redhat build of apache camel for spring boot
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).
Timeline
Detection, updates, and resolution for this record.
Sep 2, 2025 · NIST NVD
Detected
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 ca
Oct 14, 2026 · NIST NVD
Updated
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 ca
Affected
- cpe redhat/build of apache camel for spring bootversion unspecified
- cpe redhat/fuse7.0.0
- cpe redhat/jboss enterprise application platform7.0.0
- cpe redhat/jboss enterprise application platform8.0.0
- cpe redhat/jboss enterprise application platform expansion packversion unspecified
- cpe redhat/process automation7.0
- cpe redhat/single sign-on7.0
- cpe redhat/undertowversion unspecified
Sources
- CVE.orgCVE-2025-9784
Official CVE identifier
cve.org - NIST NVDCVE-2025-9784
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-si
nvd.nist.gov