{"items":[{"id":"NVI-00015070","kind":"vulnerability","title":"Zoo Design Studio: Recursive KCL parsing is vulnerable to denial-of-service","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jgvr-6x5w-hx5w"],"plain_summary":"GitHub lists this reviewed advisory for zoo-kcl, kcl-lib. 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-16affd0bc5b4090b74401f43022ad2f7"],"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-16affd0bc5b4090b74401f43022ad2f7","url":"https://github.com/advisories/GHSA-jgvr-6x5w-hx5w","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jgvr-6x5w-hx5w","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:14:33.912Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-16affd0bc5b4090b74401f43022ad2f7"],"technology":"zoo-kcl","known_exclusions":[],"conditions_summary":"### Impact\nFeeding a KCL program that wraps an expression in deep, unnecessary parentheses triggers the parser’s recursive `expression` -> `unnecessarily_bracketed` -> `expression` path. With enough nesting, the call stack grows until it exceeds the process stack limit, causing a stack overflow.","public_affected_ranges":["< 0.3.129"]},{"certainty":"source_listed","source_ids":["sr-16affd0bc5b4090b74401f43022ad2f7"],"technology":"kcl-lib","known_exclusions":[],"conditions_summary":"### Impact\nFeeding a KCL program that wraps an expression in deep, unnecessary parentheses triggers the parser’s recursive `expression` -> `unnecessarily_bracketed` -> `expression` path. With enough nesting, the call stack grows until it exceeds the process stack limit, causing a stack overflow.","public_affected_ranges":["< 0.2.129"]}],"null_published_at":"2026-11-03T10:03:26.542Z","source_updated_at":"2026-08-20T18:34:07.000Z","source_disclosed_at":"2026-08-20T18:34:05.000Z","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":"2026-11-02T20:14:33.912Z"}],"next_cursor":null,"snapshot_revision":"42594"}