{"items":[{"id":"NVI-00010112","kind":"vulnerability","title":"pypdf: Possible long runtimes for repeated references to the same missing object","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-6c7f-9265-g8fw","CVE-2026-115572"],"plain_summary":"GitHub lists this reviewed advisory for pypdf. 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-16c8f3b68cfcec456ea8a8b4b4c8adb8"],"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-16c8f3b68cfcec456ea8a8b4b4c8adb8","url":"https://github.com/advisories/GHSA-6c7f-9265-g8fw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-6c7f-9265-g8fw","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-16c8f3b68cfcec456ea8a8b4b4c8adb8"],"technology":"pypdf","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires loading relevant parts of a file (like their pages) where the same, but non-existent indirect object is referenced multiple times.\n\n### Patches\n\nThis has been fixed in pypdf==6.21.2.\n\n### Workarounds\n\nIf you cannot upgrade yet, consider applying the changes from PR #4240.","public_affected_ranges":["< 6.21.2"]}],"null_published_at":"2026-10-31T22:13:48.415Z","source_updated_at":"2026-10-23T20:55:16.000Z","source_disclosed_at":"2026-10-23T20:55:15.000Z","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":"2026-10-31T22:07:08.657Z"}],"next_cursor":null,"snapshot_revision":"42594"}