{"items":[{"id":"NVI-00012152","kind":"vulnerability","title":"Undertow MadeYouReset HTTP/2 DDoS Vulnerability","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-95h4-w6j8-2rp8","CVE-2025-9784"],"plain_summary":"GitHub lists this reviewed advisory for io.undertow:undertow-core, io.undertow:undertow-core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-151f9ea2576f4574728c5956706cf166"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:32:49.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b8ee53e9bd015e8b358f8c43e690b617"},{"kind":"CVSS","as_of":"2026-11-04T22:17:40.723Z","value":"7.5 HIGH (3.1)","meaning":"secalert@redhat.com severity; no combined Null risk score.","source_id":"sr-27e4a79395c42da467178dd24f5d6c17"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"2.325%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.83503. Missing scores are unknown.","source_id":"sr-151f9ea2576f4574728c5956706cf166"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-b8ee53e9bd015e8b358f8c43e690b617","url":"https://github.com/advisories/GHSA-95h4-w6j8-2rp8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-95h4-w6j8-2rp8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-27e4a79395c42da467178dd24f5d6c17","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9784","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-9784","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-06T20:56:46.186Z"},{"id":"sr-151f9ea2576f4574728c5956706cf166","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-9784","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.262Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":["< 2.2.38.Final"]},{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":[">= 2.3.0.Alpha1, < 2.3.20.Final"]}],"null_published_at":"2026-11-07T18:43:12.077Z","source_updated_at":"2026-10-06T00:32:49.000Z","source_disclosed_at":"2025-09-02T15:31:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00012152","kind":"vulnerability","title":"Undertow MadeYouReset HTTP/2 DDoS Vulnerability","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-95h4-w6j8-2rp8","CVE-2025-9784"],"plain_summary":"GitHub lists this reviewed advisory for io.undertow:undertow-core, io.undertow:undertow-core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-151f9ea2576f4574728c5956706cf166"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:32:49.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b8ee53e9bd015e8b358f8c43e690b617"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"2.325%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.83503. Missing scores are unknown.","source_id":"sr-151f9ea2576f4574728c5956706cf166"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-b8ee53e9bd015e8b358f8c43e690b617","url":"https://github.com/advisories/GHSA-95h4-w6j8-2rp8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-95h4-w6j8-2rp8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-151f9ea2576f4574728c5956706cf166","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-9784","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.262Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":["< 2.2.38.Final"]},{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":[">= 2.3.0.Alpha1, < 2.3.20.Final"]}],"null_published_at":"2026-11-03T17:49:18.497Z","source_updated_at":"2026-10-06T00:32:49.000Z","source_disclosed_at":"2025-09-02T15:31:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00012152","kind":"vulnerability","title":"Undertow MadeYouReset HTTP/2 DDoS Vulnerability","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-95h4-w6j8-2rp8","CVE-2025-9784"],"plain_summary":"GitHub lists this reviewed advisory for io.undertow:undertow-core, io.undertow:undertow-core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-002cc4987373ed10fb26cb994476fd2a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:32:49.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b8ee53e9bd015e8b358f8c43e690b617"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"2.325%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.83503. Missing scores are unknown.","source_id":"sr-002cc4987373ed10fb26cb994476fd2a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-b8ee53e9bd015e8b358f8c43e690b617","url":"https://github.com/advisories/GHSA-95h4-w6j8-2rp8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-95h4-w6j8-2rp8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"},{"id":"sr-002cc4987373ed10fb26cb994476fd2a","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-9784","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.062Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":["< 2.2.38.Final"]},{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":[">= 2.3.0.Alpha1, < 2.3.20.Final"]}],"null_published_at":"2026-11-01T14:34:14.092Z","source_updated_at":"2026-10-06T00:32:49.000Z","source_disclosed_at":"2025-09-02T15:31:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T00:59:16.959Z"},{"id":"NVI-00012152","kind":"vulnerability","title":"Undertow MadeYouReset HTTP/2 DDoS Vulnerability","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-95h4-w6j8-2rp8","CVE-2025-9784"],"plain_summary":"GitHub lists this reviewed advisory for io.undertow:undertow-core, io.undertow:undertow-core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-06T00:32:49.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-b8ee53e9bd015e8b358f8c43e690b617"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-b8ee53e9bd015e8b358f8c43e690b617","url":"https://github.com/advisories/GHSA-95h4-w6j8-2rp8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-95h4-w6j8-2rp8","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:59:16.959Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":["< 2.2.38.Final"]},{"certainty":"source_listed","source_ids":["sr-b8ee53e9bd015e8b358f8c43e690b617"],"technology":"io.undertow:undertow-core","known_exclusions":[],"conditions_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).","public_affected_ranges":[">= 2.3.0.Alpha1, < 2.3.20.Final"]}],"null_published_at":"2026-11-01T01:04:01.247Z","source_updated_at":"2026-10-06T00:32:49.000Z","source_disclosed_at":"2025-09-02T15:31:08.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T00:59:16.959Z"}],"next_cursor":null,"snapshot_revision":"42594"}