{"id":"CVE-2025-9784","title":"A flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters","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 serv…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770","CWE-404"],"vendor":"redhat","product":"build_of_apache_camel_for_spring_boot","affected":["build_of_apache_camel_for_spring_boot","fuse = 7.0.0","jboss_enterprise_application_platform = 7.0.0","jboss_enterprise_application_platform = 8.0.0","jboss_enterprise_application_platform_expansion_pack","process_automation = 7.0","single_sign-on = 7.0","undertow","enterprise_linux = 8.0","enterprise_linux = 9.0"],"published":"2025-09-02","updated":"2026-06-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-9784","references":[{"url":"https://access.redhat.com/errata/RHSA-2025:23143","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:0383","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:0384","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:0386","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:3889","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:3891","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:3892","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4915","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4916","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4917","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4924","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2025-9784","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2392306","label":"secalert@redhat.com"},{"url":"https://github.com/undertow-io/undertow/pull/1778","label":"secalert@redhat.com"},{"url":"https://github.com/undertow-io/undertow/releases/tag/2.2.38.Final","label":"secalert@redhat.com"},{"url":"https://issues.redhat.com/browse/UNDERTOW-2598","label":"secalert@redhat.com"},{"url":"https://kb.cert.org/vuls/id/767506","label":"secalert@redhat.com"},{"url":"https://www.kb.cert.org/vuls/id/767506","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","exploit-available"],"epss":0.02325,"epssPercentile":0.82578,"ingestedAt":"2026-06-29T13:24:34.407Z","exploits":{"github":1,"githubRepos":["https://github.com/drackyjr/CVE-2025-9784"],"checkedAt":"2026-09-21T15:27:37.099Z"},"exploitAvailable":true,"slug":"CVE-2025-9784","body":"## Overview\n\nA 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).\n\n## Affected\n\n- `build_of_apache_camel_for_spring_boot`\n- `fuse = 7.0.0`\n- `jboss_enterprise_application_platform = 7.0.0`\n- `jboss_enterprise_application_platform = 8.0.0`\n- `jboss_enterprise_application_platform_expansion_pack`\n- `process_automation = 7.0`\n- `single_sign-on = 7.0`\n- `undertow`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":41.3,"likelihood":0.5,"exploitation":12,"ransomware":0},"changes":[{"seq":4876,"id":"CVE-2025-9784","ts":1788887212835,"field":"exploit_available","old":"false","new":"true"},{"seq":3759,"id":"CVE-2025-9784","ts":1788886329458,"field":"exploit_available","old":"true","new":"false"},{"seq":2604,"id":"CVE-2025-9784","ts":1788883010529,"field":"exploit_available","old":"false","new":"true"},{"seq":1633,"id":"CVE-2025-9784","ts":1788882410837,"field":"exploit_available","old":"true","new":"false"},{"seq":743,"id":"CVE-2025-9784","ts":1788881848052,"field":"exploit_available","old":"false","new":"true"}]}