{"items":[{"id":"NVI-00010717","kind":"vulnerability","title":"pypdf: Possible long runtimes for large xref table header limits","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gmh7-3g9r-mjh5","CVE-2026-115580"],"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-862477130f1a814a1c17839c6e191af6"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.410%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.35256. Missing scores are unknown.","source_id":"sr-862477130f1a814a1c17839c6e191af6"}],"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-c6348c469b47774d7d7107efc1606f8e","url":"https://github.com/advisories/GHSA-gmh7-3g9r-mjh5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gmh7-3g9r-mjh5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"},{"id":"sr-862477130f1a814a1c17839c6e191af6","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-2026-115580","publisher":"FIRST EPSS","observed_at":"2026-10-31T23:13:27.689Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c6348c469b47774d7d7107efc1606f8e"],"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 opening a file with large/wrong upper limits in the xref table.\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 #4239.","public_affected_ranges":["< 6.21.2"]}],"null_published_at":"2026-11-04T02:53:08.399Z","source_updated_at":"2026-10-23T20:54:14.000Z","source_disclosed_at":"2026-10-23T20:54:12.000Z","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":"2026-10-31T22:07:08.657Z"},{"id":"NVI-00010717","kind":"vulnerability","title":"pypdf: Possible long runtimes for large xref table header limits","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gmh7-3g9r-mjh5","CVE-2026-115580"],"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-c6348c469b47774d7d7107efc1606f8e"],"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-c6348c469b47774d7d7107efc1606f8e","url":"https://github.com/advisories/GHSA-gmh7-3g9r-mjh5","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gmh7-3g9r-mjh5","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T22:07:08.657Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c6348c469b47774d7d7107efc1606f8e"],"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 opening a file with large/wrong upper limits in the xref table.\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 #4239.","public_affected_ranges":["< 6.21.2"]}],"null_published_at":"2026-10-31T22:27:12.377Z","source_updated_at":"2026-10-23T20:54:14.000Z","source_disclosed_at":"2026-10-23T20:54:12.000Z","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"}