{"items":[{"id":"NVI-00011860","kind":"vulnerability","title":"Excelize: Unbounded  attribute is loaded with no MaxColumns check and expanded per-column by flatCols(), so any column mutator hangs or OOMs the process","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-fq3v-74gv-27gm","CVE-2026-107223"],"plain_summary":"GitHub lists this reviewed advisory for github.com/xuri/excelize/v2. 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-19844bd54ca4daa2dfd1af4e563ee304"],"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":"2026-10-13T14:18:46.643Z","value":"7.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-4138357c5d581d5fb2dbee0c586056cd"},{"kind":"CVSS","as_of":"2026-10-13T14:18:46.643Z","value":"7.1 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4138357c5d581d5fb2dbee0c586056cd"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.370%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31116. Missing scores are unknown.","source_id":"sr-19844bd54ca4daa2dfd1af4e563ee304"}],"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-47de80709f3c822128bc0d1726f4bc60","url":"https://github.com/advisories/GHSA-fq3v-74gv-27gm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fq3v-74gv-27gm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-4138357c5d581d5fb2dbee0c586056cd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107223","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107223","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"},{"id":"sr-19844bd54ca4daa2dfd1af4e563ee304","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-2026-107223","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.310Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-47de80709f3c822128bc0d1726f4bc60"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\nThe `max` attribute of a `` element in `xl/worksheets/sheetN.xml` is read verbatim on open with no check against `MaxColumns`, and `flatCols()` then walks `Min..Max` doing a `deepcopy.Copy` and `append` per iteration. Executed: `max=\"300000\"`, only about 18x past the real 16384 limit, cost 46.2 s of CPU and 122 MB on a single `SetColWidth` call, and the growth is linear in `max` up to 2^31-1.\n\nConfirmed at `ae2113b` (HEAD at the time of audit).\n\n### Details\n\n`col.go:547`, `flatCols()`, with the two loops at `:549` and `:564`:\n\n```go\nfor i := col.Min; i <= col.Max; i++ {\n...\nfor i := column.Min; i <= column.Max; i++ { ... fc = append(fc, deepcopy.Copy(...)) }\n```\n\n`column.Min` and `column.Max` are plain int attributes on `xmlWorksheet.go:279-280`, bound straight from the file. `MaxColumns` is 16384 (`templates.go:176`) and nothing in the parse path compares against it.\n\nThe contrast that makes this an oversight rather than a design decision is inside the callers themselves. `SetColWidth` validates its own column argument through `parseColRange`, which clamps to `MaxColumns`. But `flatCols` iterates `ws.Cols.Col`, the file-loaded slice, so the caller's validated arg","public_affected_ranges":[">= 2.1.0, < 2.11.1-0.20260807015645-a54c578af309"]}],"null_published_at":"2026-11-08T19:53:38.947Z","source_updated_at":"2026-10-07T20:22:52.000Z","source_disclosed_at":"2026-10-07T20:22:49.000Z","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":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011860","kind":"vulnerability","title":"Excelize: Unbounded  attribute is loaded with no MaxColumns check and expanded per-column by flatCols(), so any column mutator hangs or OOMs the process","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-fq3v-74gv-27gm","CVE-2026-107223"],"plain_summary":"GitHub lists this reviewed advisory for github.com/xuri/excelize/v2. 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-6938df42bb5a6e8a590820b30f3a1c25"],"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":"2026-10-13T14:18:46.643Z","value":"7.5 HIGH (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-4138357c5d581d5fb2dbee0c586056cd"},{"kind":"CVSS","as_of":"2026-10-13T14:18:46.643Z","value":"7.1 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4138357c5d581d5fb2dbee0c586056cd"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.370%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30964. Missing scores are unknown.","source_id":"sr-6938df42bb5a6e8a590820b30f3a1c25"}],"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-47de80709f3c822128bc0d1726f4bc60","url":"https://github.com/advisories/GHSA-fq3v-74gv-27gm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fq3v-74gv-27gm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-4138357c5d581d5fb2dbee0c586056cd","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107223","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107223","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"},{"id":"sr-6938df42bb5a6e8a590820b30f3a1c25","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-2026-107223","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-47de80709f3c822128bc0d1726f4bc60"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\nThe `max` attribute of a `` element in `xl/worksheets/sheetN.xml` is read verbatim on open with no check against `MaxColumns`, and `flatCols()` then walks `Min..Max` doing a `deepcopy.Copy` and `append` per iteration. Executed: `max=\"300000\"`, only about 18x past the real 16384 limit, cost 46.2 s of CPU and 122 MB on a single `SetColWidth` call, and the growth is linear in `max` up to 2^31-1.\n\nConfirmed at `ae2113b` (HEAD at the time of audit).\n\n### Details\n\n`col.go:547`, `flatCols()`, with the two loops at `:549` and `:564`:\n\n```go\nfor i := col.Min; i <= col.Max; i++ {\n...\nfor i := column.Min; i <= column.Max; i++ { ... fc = append(fc, deepcopy.Copy(...)) }\n```\n\n`column.Min` and `column.Max` are plain int attributes on `xmlWorksheet.go:279-280`, bound straight from the file. `MaxColumns` is 16384 (`templates.go:176`) and nothing in the parse path compares against it.\n\nThe contrast that makes this an oversight rather than a design decision is inside the callers themselves. `SetColWidth` validates its own column argument through `parseColRange`, which clamps to `MaxColumns`. But `flatCols` iterates `ws.Cols.Col`, the file-loaded slice, so the caller's validated arg","public_affected_ranges":[">= 2.1.0, < 2.11.1-0.20260807015645-a54c578af309"]}],"null_published_at":"2026-11-04T10:04:35.941Z","source_updated_at":"2026-10-07T20:22:52.000Z","source_disclosed_at":"2026-10-07T20:22:49.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011860","kind":"vulnerability","title":"Excelize: Unbounded  attribute is loaded with no MaxColumns check and expanded per-column by flatCols(), so any column mutator hangs or OOMs the process","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fq3v-74gv-27gm","CVE-2026-107223"],"plain_summary":"GitHub lists this reviewed advisory for github.com/xuri/excelize/v2. 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-6938df42bb5a6e8a590820b30f3a1c25"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.370%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.30964. Missing scores are unknown.","source_id":"sr-6938df42bb5a6e8a590820b30f3a1c25"}],"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-47de80709f3c822128bc0d1726f4bc60","url":"https://github.com/advisories/GHSA-fq3v-74gv-27gm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fq3v-74gv-27gm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-6938df42bb5a6e8a590820b30f3a1c25","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-2026-107223","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.065Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-47de80709f3c822128bc0d1726f4bc60"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\nThe `max` attribute of a `` element in `xl/worksheets/sheetN.xml` is read verbatim on open with no check against `MaxColumns`, and `flatCols()` then walks `Min..Max` doing a `deepcopy.Copy` and `append` per iteration. Executed: `max=\"300000\"`, only about 18x past the real 16384 limit, cost 46.2 s of CPU and 122 MB on a single `SetColWidth` call, and the growth is linear in `max` up to 2^31-1.\n\nConfirmed at `ae2113b` (HEAD at the time of audit).\n\n### Details\n\n`col.go:547`, `flatCols()`, with the two loops at `:549` and `:564`:\n\n```go\nfor i := col.Min; i <= col.Max; i++ {\n...\nfor i := column.Min; i <= column.Max; i++ { ... fc = append(fc, deepcopy.Copy(...)) }\n```\n\n`column.Min` and `column.Max` are plain int attributes on `xmlWorksheet.go:279-280`, bound straight from the file. `MaxColumns` is 16384 (`templates.go:176`) and nothing in the parse path compares against it.\n\nThe contrast that makes this an oversight rather than a design decision is inside the callers themselves. `SetColWidth` validates its own column argument through `parseColRange`, which clamps to `MaxColumns`. But `flatCols` iterates `ws.Cols.Col`, the file-loaded slice, so the caller's validated arg","public_affected_ranges":[">= 2.1.0, < 2.11.1-0.20260807015645-a54c578af309"]}],"null_published_at":"2026-11-01T22:58:19.139Z","source_updated_at":"2026-10-07T20:22:52.000Z","source_disclosed_at":"2026-10-07T20:22:49.000Z","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":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011860","kind":"vulnerability","title":"Excelize: Unbounded  attribute is loaded with no MaxColumns check and expanded per-column by flatCols(), so any column mutator hangs or OOMs the process","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fq3v-74gv-27gm","CVE-2026-107223"],"plain_summary":"GitHub lists this reviewed advisory for github.com/xuri/excelize/v2. 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-47de80709f3c822128bc0d1726f4bc60"],"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":[],"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-47de80709f3c822128bc0d1726f4bc60","url":"https://github.com/advisories/GHSA-fq3v-74gv-27gm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fq3v-74gv-27gm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-47de80709f3c822128bc0d1726f4bc60"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\nThe `max` attribute of a `` element in `xl/worksheets/sheetN.xml` is read verbatim on open with no check against `MaxColumns`, and `flatCols()` then walks `Min..Max` doing a `deepcopy.Copy` and `append` per iteration. Executed: `max=\"300000\"`, only about 18x past the real 16384 limit, cost 46.2 s of CPU and 122 MB on a single `SetColWidth` call, and the growth is linear in `max` up to 2^31-1.\n\nConfirmed at `ae2113b` (HEAD at the time of audit).\n\n### Details\n\n`col.go:547`, `flatCols()`, with the two loops at `:549` and `:564`:\n\n```go\nfor i := col.Min; i <= col.Max; i++ {\n...\nfor i := column.Min; i <= column.Max; i++ { ... fc = append(fc, deepcopy.Copy(...)) }\n```\n\n`column.Min` and `column.Max` are plain int attributes on `xmlWorksheet.go:279-280`, bound straight from the file. `MaxColumns` is 16384 (`templates.go:176`) and nothing in the parse path compares against it.\n\nThe contrast that makes this an oversight rather than a design decision is inside the callers themselves. `SetColWidth` validates its own column argument through `parseColRange`, which clamps to `MaxColumns`. But `flatCols` iterates `ws.Cols.Col`, the file-loaded slice, so the caller's validated arg","public_affected_ranges":[">= 2.1.0, < 2.11.1-0.20260807015645-a54c578af309"]}],"null_published_at":"2026-11-01T01:03:56.610Z","source_updated_at":"2026-10-07T20:22:52.000Z","source_disclosed_at":"2026-10-07T20:22:49.000Z","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":"2026-11-01T00:58:46.232Z"}],"next_cursor":null,"snapshot_revision":"42594"}