{"items":[{"id":"NVI-00012943","kind":"vulnerability","title":"pypdf: Possible long runtimes for partially malformed FlateDecode streams (Follow-up)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jw7q-gvrg-4vj3","CVE-2026-102997"],"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-17dc308186dd700124a65b8f4ae5ae2d"],"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-17dc308186dd700124a65b8f4ae5ae2d","url":"https://github.com/advisories/GHSA-jw7q-gvrg-4vj3","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jw7q-gvrg-4vj3","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:22:52.960Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-17dc308186dd700124a65b8f4ae5ae2d"],"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 a partially malformed `/FlateDecode` stream, where the byte-by-byte decompression is used.\n\n### Patches\n\nThis has been fixed in pypdf==6.18.1.\n\n### Workarounds\n\nIf you cannot upgrade yet, consider applying the changes from PR #4073.","public_affected_ranges":["< 6.18.1"]}],"null_published_at":"2026-11-01T07:29:12.903Z","source_updated_at":"2026-10-01T15:06:34.000Z","source_disclosed_at":"2026-10-01T15:06:33.000Z","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":"2026-11-01T07:22:52.960Z"}],"next_cursor":null,"snapshot_revision":"42594"}