{"items":[{"id":"NVI-00009024","kind":"vulnerability","title":"ONNX: Null Pointer Dereference in ScanInferenceFunction Due to Missing Required Attribute","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-m4pr-6v3c-6fgr","CVE-2026-115921"],"plain_summary":"GitHub lists this reviewed advisory for onnx. 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-246911d4d18074797f24be6f6a398870"],"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":"2026-10-28T21:16:32.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c96ff3e401438a9929b43c8211895c9"},{"kind":"CVSS","as_of":"2026-10-31T02:17:29.657Z","value":"6.2 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-66d0f01f7076894157410fc6195a214a"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.131%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.0268. Missing scores are unknown.","source_id":"sr-246911d4d18074797f24be6f6a398870"}],"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-7c96ff3e401438a9929b43c8211895c9","url":"https://github.com/advisories/GHSA-m4pr-6v3c-6fgr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m4pr-6v3c-6fgr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-66d0f01f7076894157410fc6195a214a","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115921","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-115921","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:00.529Z"},{"id":"sr-246911d4d18074797f24be6f6a398870","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-2026-115921","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.267Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c96ff3e401438a9929b43c8211895c9"],"technology":"onnx","known_exclusions":[],"conditions_summary":"## Summary\n\nONNX shape inference did not safely validate the required Scan `num_scan_inputs` attribute. Two malformed values could terminate or disrupt the process:\n\n1. If the attribute was missing, `ctx.getAttribute(\"num_scan_inputs\")` returned null and was dereferenced.\n2. If the attribute was negative, conversion to `size_t` produced a very large value that reached a vector allocation and raised `std::length_error`.\n\nThe negative-value variant passed `onnx.checker.check_model()` before reaching shape inference.\n\n## Technical details\n\nThe vulnerable Scan inference implementations used the following pattern:\n\n```cpp\nauto num_scan_inputs =\n    narrow_cast(ctx.getAttribute(\"num_scan_inputs\")->i());\n```\n\nThis code neither checked the returned pointer nor rejected a negative signed value before converting it to an unsigned size. The pattern was present in the current Scan inference function and the older opset 8 and 9 paths.\n\nThe fix uses the required-attribute helper and checked narrowing:\n\n```cpp\nauto num_scan_inputs =\n    narrow(getRequiredAttributeInt(ctx, \"num_scan_inputs\"));\n```\n\n## Impact\n\nAn application that performs shape inference on an untrusted model can be","public_affected_ranges":[">= 1.4.0, <= 1.21.0"]}],"null_published_at":"2026-11-07T07:07:42.480Z","source_updated_at":"2026-10-28T21:16:32.000Z","source_disclosed_at":"2026-10-28T21:16:30.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009024","kind":"vulnerability","title":"ONNX: Null Pointer Dereference in ScanInferenceFunction Due to Missing Required Attribute","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m4pr-6v3c-6fgr","CVE-2026-115921"],"plain_summary":"GitHub lists this reviewed advisory for onnx. 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-246911d4d18074797f24be6f6a398870"],"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":"2026-10-28T21:16:32.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c96ff3e401438a9929b43c8211895c9"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.131%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.0268. Missing scores are unknown.","source_id":"sr-246911d4d18074797f24be6f6a398870"}],"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-7c96ff3e401438a9929b43c8211895c9","url":"https://github.com/advisories/GHSA-m4pr-6v3c-6fgr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m4pr-6v3c-6fgr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-246911d4d18074797f24be6f6a398870","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-2026-115921","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.267Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c96ff3e401438a9929b43c8211895c9"],"technology":"onnx","known_exclusions":[],"conditions_summary":"## Summary\n\nONNX shape inference did not safely validate the required Scan `num_scan_inputs` attribute. Two malformed values could terminate or disrupt the process:\n\n1. If the attribute was missing, `ctx.getAttribute(\"num_scan_inputs\")` returned null and was dereferenced.\n2. If the attribute was negative, conversion to `size_t` produced a very large value that reached a vector allocation and raised `std::length_error`.\n\nThe negative-value variant passed `onnx.checker.check_model()` before reaching shape inference.\n\n## Technical details\n\nThe vulnerable Scan inference implementations used the following pattern:\n\n```cpp\nauto num_scan_inputs =\n    narrow_cast(ctx.getAttribute(\"num_scan_inputs\")->i());\n```\n\nThis code neither checked the returned pointer nor rejected a negative signed value before converting it to an unsigned size. The pattern was present in the current Scan inference function and the older opset 8 and 9 paths.\n\nThe fix uses the required-attribute helper and checked narrowing:\n\n```cpp\nauto num_scan_inputs =\n    narrow(getRequiredAttributeInt(ctx, \"num_scan_inputs\"));\n```\n\n## Impact\n\nAn application that performs shape inference on an untrusted model can be","public_affected_ranges":[">= 1.4.0, <= 1.21.0"]}],"null_published_at":"2026-11-04T18:04:03.187Z","source_updated_at":"2026-10-28T21:16:32.000Z","source_disclosed_at":"2026-10-28T21:16:30.000Z","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":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009024","kind":"vulnerability","title":"ONNX: Null Pointer Dereference in ScanInferenceFunction Due to Missing Required Attribute","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m4pr-6v3c-6fgr","CVE-2026-115921"],"plain_summary":"GitHub lists this reviewed advisory for onnx. 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-39f37e8a96b58933df8acca0f4a93a25"],"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":"2026-10-28T21:16:32.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c96ff3e401438a9929b43c8211895c9"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.131%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.02674. Missing scores are unknown.","source_id":"sr-39f37e8a96b58933df8acca0f4a93a25"}],"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-7c96ff3e401438a9929b43c8211895c9","url":"https://github.com/advisories/GHSA-m4pr-6v3c-6fgr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m4pr-6v3c-6fgr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-39f37e8a96b58933df8acca0f4a93a25","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-2026-115921","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c96ff3e401438a9929b43c8211895c9"],"technology":"onnx","known_exclusions":[],"conditions_summary":"## Summary\n\nONNX shape inference did not safely validate the required Scan `num_scan_inputs` attribute. Two malformed values could terminate or disrupt the process:\n\n1. If the attribute was missing, `ctx.getAttribute(\"num_scan_inputs\")` returned null and was dereferenced.\n2. If the attribute was negative, conversion to `size_t` produced a very large value that reached a vector allocation and raised `std::length_error`.\n\nThe negative-value variant passed `onnx.checker.check_model()` before reaching shape inference.\n\n## Technical details\n\nThe vulnerable Scan inference implementations used the following pattern:\n\n```cpp\nauto num_scan_inputs =\n    narrow_cast(ctx.getAttribute(\"num_scan_inputs\")->i());\n```\n\nThis code neither checked the returned pointer nor rejected a negative signed value before converting it to an unsigned size. The pattern was present in the current Scan inference function and the older opset 8 and 9 paths.\n\nThe fix uses the required-attribute helper and checked narrowing:\n\n```cpp\nauto num_scan_inputs =\n    narrow(getRequiredAttributeInt(ctx, \"num_scan_inputs\"));\n```\n\n## Impact\n\nAn application that performs shape inference on an untrusted model can be","public_affected_ranges":[">= 1.4.0, <= 1.21.0"]}],"null_published_at":"2026-10-31T22:27:15.294Z","source_updated_at":"2026-10-28T21:16:32.000Z","source_disclosed_at":"2026-10-28T21:16:30.000Z","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":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00009024","kind":"vulnerability","title":"ONNX: Null Pointer Dereference in ScanInferenceFunction Due to Missing Required Attribute","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-m4pr-6v3c-6fgr","CVE-2026-115921"],"plain_summary":"GitHub lists this reviewed advisory for onnx. 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-7c96ff3e401438a9929b43c8211895c9"],"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":"2026-10-28T21:16:32.000Z","value":"6.2 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7c96ff3e401438a9929b43c8211895c9"}],"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-7c96ff3e401438a9929b43c8211895c9","url":"https://github.com/advisories/GHSA-m4pr-6v3c-6fgr","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-m4pr-6v3c-6fgr","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7c96ff3e401438a9929b43c8211895c9"],"technology":"onnx","known_exclusions":[],"conditions_summary":"## Summary\n\nONNX shape inference did not safely validate the required Scan `num_scan_inputs` attribute. Two malformed values could terminate or disrupt the process:\n\n1. If the attribute was missing, `ctx.getAttribute(\"num_scan_inputs\")` returned null and was dereferenced.\n2. If the attribute was negative, conversion to `size_t` produced a very large value that reached a vector allocation and raised `std::length_error`.\n\nThe negative-value variant passed `onnx.checker.check_model()` before reaching shape inference.\n\n## Technical details\n\nThe vulnerable Scan inference implementations used the following pattern:\n\n```cpp\nauto num_scan_inputs =\n    narrow_cast(ctx.getAttribute(\"num_scan_inputs\")->i());\n```\n\nThis code neither checked the returned pointer nor rejected a negative signed value before converting it to an unsigned size. The pattern was present in the current Scan inference function and the older opset 8 and 9 paths.\n\nThe fix uses the required-attribute helper and checked narrowing:\n\n```cpp\nauto num_scan_inputs =\n    narrow(getRequiredAttributeInt(ctx, \"num_scan_inputs\"));\n```\n\n## Impact\n\nAn application that performs shape inference on an untrusted model can be","public_affected_ranges":[">= 1.4.0, <= 1.21.0"]}],"null_published_at":"2026-10-31T22:13:31.265Z","source_updated_at":"2026-10-28T21:16:32.000Z","source_disclosed_at":"2026-10-28T21:16:30.000Z","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":"2026-10-31T21:56:08.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}