{"items":[{"id":"NVI-00011802","kind":"vulnerability","title":"msgpack5: Quadratic parsing in the streaming decoder","revision":3,"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-gcx5-hxj7-gpqq","CVE-2026-107297"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-74d9198b965ec6a88b26a6575ed278fb"],"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":"2026-10-08T17:39:47.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-31bb2a23dd8e0846405eced923023df4"},{"kind":"CVSS","as_of":"2026-10-08T20:48:36.970Z","value":"5.9 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-7edacc641d0b9577d3a02ec260d5a6de"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.389%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32999. Missing scores are unknown.","source_id":"sr-74d9198b965ec6a88b26a6575ed278fb"}],"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-31bb2a23dd8e0846405eced923023df4","url":"https://github.com/advisories/GHSA-gcx5-hxj7-gpqq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gcx5-hxj7-gpqq","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-7edacc641d0b9577d3a02ec260d5a6de","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107297","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107297","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-74d9198b965ec6a88b26a6575ed278fb","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-2026-107297","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-31bb2a23dd8e0846405eced923023df4"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nThe streaming decoder reparses an incomplete container from the beginning whenever another chunk arrives. A remote peer can split one valid MessagePack value across many small chunks, causing quadratic CPU usage and blocking the event loop.\n\n### Patches\n\nThe decoder now preserves incremental container state so completed elements are not parsed again when more input arrives.\n\n### Workarounds\n\nBuffer each complete MessagePack value before decoding it, or limit the number of chunks accepted for a single value.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-08T15:11:49.377Z","source_updated_at":"2026-10-08T17:39:47.000Z","source_disclosed_at":"2026-10-08T17:39:46.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011802","kind":"vulnerability","title":"msgpack5: Quadratic parsing in the streaming decoder","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gcx5-hxj7-gpqq","CVE-2026-107297"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-74d9198b965ec6a88b26a6575ed278fb"],"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":"2026-10-08T17:39:47.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-31bb2a23dd8e0846405eced923023df4"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.389%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.32999. Missing scores are unknown.","source_id":"sr-74d9198b965ec6a88b26a6575ed278fb"}],"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-31bb2a23dd8e0846405eced923023df4","url":"https://github.com/advisories/GHSA-gcx5-hxj7-gpqq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gcx5-hxj7-gpqq","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-74d9198b965ec6a88b26a6575ed278fb","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-2026-107297","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-31bb2a23dd8e0846405eced923023df4"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nThe streaming decoder reparses an incomplete container from the beginning whenever another chunk arrives. A remote peer can split one valid MessagePack value across many small chunks, causing quadratic CPU usage and blocking the event loop.\n\n### Patches\n\nThe decoder now preserves incremental container state so completed elements are not parsed again when more input arrives.\n\n### Workarounds\n\nBuffer each complete MessagePack value before decoding it, or limit the number of chunks accepted for a single value.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-03T10:03:21.793Z","source_updated_at":"2026-10-08T17:39:47.000Z","source_disclosed_at":"2026-10-08T17:39:46.000Z","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":"2026-11-01T00:58:38.867Z"},{"id":"NVI-00011802","kind":"vulnerability","title":"msgpack5: Quadratic parsing in the streaming decoder","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gcx5-hxj7-gpqq","CVE-2026-107297"],"plain_summary":"GitHub lists this reviewed advisory for msgpack5. 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-31bb2a23dd8e0846405eced923023df4"],"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":"2026-10-08T17:39:47.000Z","value":"5.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-31bb2a23dd8e0846405eced923023df4"}],"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-31bb2a23dd8e0846405eced923023df4","url":"https://github.com/advisories/GHSA-gcx5-hxj7-gpqq","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gcx5-hxj7-gpqq","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-31bb2a23dd8e0846405eced923023df4"],"technology":"msgpack5","known_exclusions":[],"conditions_summary":"### Impact\n\nThe streaming decoder reparses an incomplete container from the beginning whenever another chunk arrives. A remote peer can split one valid MessagePack value across many small chunks, causing quadratic CPU usage and blocking the event loop.\n\n### Patches\n\nThe decoder now preserves incremental container state so completed elements are not parsed again when more input arrives.\n\n### Workarounds\n\nBuffer each complete MessagePack value before decoding it, or limit the number of chunks accepted for a single value.","public_affected_ranges":["< 6.1.0"]}],"null_published_at":"2026-11-01T01:03:56.606Z","source_updated_at":"2026-10-08T17:39:47.000Z","source_disclosed_at":"2026-10-08T17:39:46.000Z","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":"2026-11-01T00:58:38.867Z"}],"next_cursor":null,"snapshot_revision":"42594"}