{"items":[{"id":"NVI-00012019","kind":"vulnerability","title":"Excelize ANCHORARRAY: mutually-referencing array formulas recurse unboundedly via re-entrant CalcCellValue, causing a fatal stack overflow","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-wp2g-vpjj-g53r","CVE-2026-107216"],"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-08e7929e12954f45a0b6f950cda060fc"],"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":"2026-10-08T16:31:23.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8a6213bb136510ab11254a8f7cd3f0ff"},{"kind":"CVSS","as_of":"2026-10-13T14:23:43.183Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-479a27e85a6bcc4fbad96ec4a25963b5"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.375%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31497. Missing scores are unknown.","source_id":"sr-08e7929e12954f45a0b6f950cda060fc"}],"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-8a6213bb136510ab11254a8f7cd3f0ff","url":"https://github.com/advisories/GHSA-wp2g-vpjj-g53r","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wp2g-vpjj-g53r","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-479a27e85a6bcc4fbad96ec4a25963b5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107216","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107216","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"},{"id":"sr-08e7929e12954f45a0b6f950cda060fc","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-2026-107216","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.839Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8a6213bb136510ab11254a8f7cd3f0ff"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\n`ANCHORARRAY` (calc.go:15137 on current master) evaluates each cell of the referenced spill range by calling the **exported** `CalcCellValue`, which unconditionally constructs a fresh `calcContext` — fresh entry marker, fresh iterations map, full `MaxCalcIterations` budget (calc.go:896-900). The circular-reference control only exists **within one context**: the entry-exclusion marker and per-ref iteration budget are fields of that single context, and completion-based caching (`formulaArgCache`/`calcRawCache`) only ever stores results of evaluations that *finish*.\n\nDuring a pure cycle no nested evaluation ever finishes, so nothing is ever cached to break the recursion, and each hop re-arms the entire budget. Two ordinary, Excel-legal constructs in an attacker-supplied workbook are enough:\n\n- `A1` (dynamic array formula, ref `A1:A1`): `_xlfn.ANCHORARRAY($B$1)`\n- `B1` (dynamic array formula, ref `B1:B1`): `_xlfn.ANCHORARRAY($A$1)`\n\n→ `CalcCellValue → calcCellValue → evalInfixExp → parseReference → cellResolver → … → ANCHORARRAY → CalcCellValue → …` forever, ending in a **fatal, unrecoverable** Go runtime error: `runtime: goroutine stack exceeds …-byte limit / fatal error:","public_affected_ranges":[">= 2.8.1, < 2.11.1-0.20260911060113-ea12859e43c6"]}],"null_published_at":"2026-11-05T19:10:23.236Z","source_updated_at":"2026-10-08T16:31:23.000Z","source_disclosed_at":"2026-10-08T16:31:21.000Z","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-00012019","kind":"vulnerability","title":"Excelize ANCHORARRAY: mutually-referencing array formulas recurse unboundedly via re-entrant CalcCellValue, causing a fatal stack overflow","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wp2g-vpjj-g53r","CVE-2026-107216"],"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-08e7929e12954f45a0b6f950cda060fc"],"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":"2026-10-08T16:31:23.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8a6213bb136510ab11254a8f7cd3f0ff"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.375%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31497. Missing scores are unknown.","source_id":"sr-08e7929e12954f45a0b6f950cda060fc"}],"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-8a6213bb136510ab11254a8f7cd3f0ff","url":"https://github.com/advisories/GHSA-wp2g-vpjj-g53r","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wp2g-vpjj-g53r","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"},{"id":"sr-08e7929e12954f45a0b6f950cda060fc","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-2026-107216","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:15:58.839Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8a6213bb136510ab11254a8f7cd3f0ff"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\n`ANCHORARRAY` (calc.go:15137 on current master) evaluates each cell of the referenced spill range by calling the **exported** `CalcCellValue`, which unconditionally constructs a fresh `calcContext` — fresh entry marker, fresh iterations map, full `MaxCalcIterations` budget (calc.go:896-900). The circular-reference control only exists **within one context**: the entry-exclusion marker and per-ref iteration budget are fields of that single context, and completion-based caching (`formulaArgCache`/`calcRawCache`) only ever stores results of evaluations that *finish*.\n\nDuring a pure cycle no nested evaluation ever finishes, so nothing is ever cached to break the recursion, and each hop re-arms the entire budget. Two ordinary, Excel-legal constructs in an attacker-supplied workbook are enough:\n\n- `A1` (dynamic array formula, ref `A1:A1`): `_xlfn.ANCHORARRAY($B$1)`\n- `B1` (dynamic array formula, ref `B1:B1`): `_xlfn.ANCHORARRAY($A$1)`\n\n→ `CalcCellValue → calcCellValue → evalInfixExp → parseReference → cellResolver → … → ANCHORARRAY → CalcCellValue → …` forever, ending in a **fatal, unrecoverable** Go runtime error: `runtime: goroutine stack exceeds …-byte limit / fatal error:","public_affected_ranges":[">= 2.8.1, < 2.11.1-0.20260911060113-ea12859e43c6"]}],"null_published_at":"2026-11-03T17:49:15.028Z","source_updated_at":"2026-10-08T16:31:23.000Z","source_disclosed_at":"2026-10-08T16:31:21.000Z","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-00012019","kind":"vulnerability","title":"Excelize ANCHORARRAY: mutually-referencing array formulas recurse unboundedly via re-entrant CalcCellValue, causing a fatal stack overflow","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wp2g-vpjj-g53r","CVE-2026-107216"],"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-8a6213bb136510ab11254a8f7cd3f0ff"],"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":"2026-10-08T16:31:23.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8a6213bb136510ab11254a8f7cd3f0ff"}],"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-8a6213bb136510ab11254a8f7cd3f0ff","url":"https://github.com/advisories/GHSA-wp2g-vpjj-g53r","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wp2g-vpjj-g53r","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:38.867Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8a6213bb136510ab11254a8f7cd3f0ff"],"technology":"github.com/xuri/excelize/v2","known_exclusions":[],"conditions_summary":"### Summary\n\n`ANCHORARRAY` (calc.go:15137 on current master) evaluates each cell of the referenced spill range by calling the **exported** `CalcCellValue`, which unconditionally constructs a fresh `calcContext` — fresh entry marker, fresh iterations map, full `MaxCalcIterations` budget (calc.go:896-900). The circular-reference control only exists **within one context**: the entry-exclusion marker and per-ref iteration budget are fields of that single context, and completion-based caching (`formulaArgCache`/`calcRawCache`) only ever stores results of evaluations that *finish*.\n\nDuring a pure cycle no nested evaluation ever finishes, so nothing is ever cached to break the recursion, and each hop re-arms the entire budget. Two ordinary, Excel-legal constructs in an attacker-supplied workbook are enough:\n\n- `A1` (dynamic array formula, ref `A1:A1`): `_xlfn.ANCHORARRAY($B$1)`\n- `B1` (dynamic array formula, ref `B1:B1`): `_xlfn.ANCHORARRAY($A$1)`\n\n→ `CalcCellValue → calcCellValue → evalInfixExp → parseReference → cellResolver → … → ANCHORARRAY → CalcCellValue → …` forever, ending in a **fatal, unrecoverable** Go runtime error: `runtime: goroutine stack exceeds …-byte limit / fatal error:","public_affected_ranges":[">= 2.8.1, < 2.11.1-0.20260911060113-ea12859e43c6"]}],"null_published_at":"2026-11-01T01:03:56.623Z","source_updated_at":"2026-10-08T16:31:23.000Z","source_disclosed_at":"2026-10-08T16:31:21.000Z","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"}