{"items":[{"id":"NVI-00013852","kind":"vulnerability","title":"node-tar: Uncontrolled recursion in mapHas/filesFilter allows uncatchable stack-overflow DoS via crafted long-path tar with member selection","revision":2,"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-r292-9mhp-454m","CVE-2026-73566"],"plain_summary":"GitHub lists this reviewed advisory for tar. 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-6db474e6b5391040fd118a6383bda5a5"],"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":"2026-08-21T19:08:23.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-10611f22c1669b41e6b21efcfa18a148"},{"kind":"CVSS","as_of":"2026-10-24T15:10:00.190Z","value":"7.5 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6db474e6b5391040fd118a6383bda5a5"}],"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-10611f22c1669b41e6b21efcfa18a148","url":"https://github.com/advisories/GHSA-r292-9mhp-454m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-r292-9mhp-454m","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-6db474e6b5391040fd118a6383bda5a5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73566","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-73566","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T19:45:24.870Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-10611f22c1669b41e6b21efcfa18a148"],"technology":"tar","known_exclusions":[],"conditions_summary":"## Summary\n`node-tar` (npm `tar`) contains an uncontrolled-recursion stack-exhaustion DoS in the internal `mapHas` helper used by `filesFilter`. When a consumer calls `tar.t(...)` or `tar.x(...)` with a non-empty member-selection list, node-tar installs a filter that closes over the recursive `mapHas` (`src/list.ts:33-44`). `mapHas` walks an entry path upward one `path.dirname()` call per recursion **with no segment cap**. A single crafted tar with a GNU-`L` (or PAX-`x`) long-path header can deliver a path of tens of thousands of `/`-separated segments (up to `maxMetaEntrySize` = 1 MiB). The recursion overflows the call stack, throwing an uncatchable `RangeError` that terminates the Node process on async/streaming consumers.\n\n## Root Cause\n`filesFilter` (`src/list.ts:27-51`) is installed whenever a caller passes a member-selection list (`src/list.ts:119-122`, `src/extract.ts:55-57`). Its filter is invoked at `src/parse.ts:253` (`entry.ignore = entry.ignore || !this.filter(entry.path, entry)`) inside `Parser[CONSUMEHEADER]` — and crucially **outside** the only try/catch in that method (which wraps `new Header` at `src/parse.ts:179-183`). `mapHas` recurses once per path segment with ","public_affected_ranges":["<= 7.5.20"]}],"null_published_at":"2026-11-08T19:53:48.745Z","source_updated_at":"2026-08-21T19:08:23.000Z","source_disclosed_at":"2026-07-24T16:26:16.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T09:56:46.713Z"},{"id":"NVI-00013852","kind":"vulnerability","title":"node-tar: Uncontrolled recursion in mapHas/filesFilter allows uncatchable stack-overflow DoS via crafted long-path tar with member selection","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-r292-9mhp-454m","CVE-2026-73566"],"plain_summary":"GitHub lists this reviewed advisory for tar. 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-10611f22c1669b41e6b21efcfa18a148"],"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":"2026-08-21T19:08:23.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-10611f22c1669b41e6b21efcfa18a148"}],"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-10611f22c1669b41e6b21efcfa18a148","url":"https://github.com/advisories/GHSA-r292-9mhp-454m","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-r292-9mhp-454m","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-10611f22c1669b41e6b21efcfa18a148"],"technology":"tar","known_exclusions":[],"conditions_summary":"## Summary\n`node-tar` (npm `tar`) contains an uncontrolled-recursion stack-exhaustion DoS in the internal `mapHas` helper used by `filesFilter`. When a consumer calls `tar.t(...)` or `tar.x(...)` with a non-empty member-selection list, node-tar installs a filter that closes over the recursive `mapHas` (`src/list.ts:33-44`). `mapHas` walks an entry path upward one `path.dirname()` call per recursion **with no segment cap**. A single crafted tar with a GNU-`L` (or PAX-`x`) long-path header can deliver a path of tens of thousands of `/`-separated segments (up to `maxMetaEntrySize` = 1 MiB). The recursion overflows the call stack, throwing an uncatchable `RangeError` that terminates the Node process on async/streaming consumers.\n\n## Root Cause\n`filesFilter` (`src/list.ts:27-51`) is installed whenever a caller passes a member-selection list (`src/list.ts:119-122`, `src/extract.ts:55-57`). Its filter is invoked at `src/parse.ts:253` (`entry.ignore = entry.ignore || !this.filter(entry.path, entry)`) inside `Parser[CONSUMEHEADER]` — and crucially **outside** the only try/catch in that method (which wraps `new Header` at `src/parse.ts:179-183`). `mapHas` recurses once per path segment with ","public_affected_ranges":["<= 7.5.20"]}],"null_published_at":"2026-11-02T10:00:37.160Z","source_updated_at":"2026-08-21T19:08:23.000Z","source_disclosed_at":"2026-07-24T16:26:16.000Z","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":"2026-11-02T09:56:46.713Z"}],"next_cursor":null,"snapshot_revision":"42594"}