{"items":[{"id":"NVI-00015208","kind":"vulnerability","title":"pypdf: Possible large memory usage for large /ToUnicode streams","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-fp3f-mc75-235c","CVE-2026-71870"],"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-355ed49f6b0ffe8caf5b54e2c9cf929b"],"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":"2026-11-02T16:06:04.477Z","value":"3.3 LOW (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-355ed49f6b0ffe8caf5b54e2c9cf929b"},{"kind":"CVSS","as_of":"2026-11-02T16:06:04.477Z","value":"4.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-355ed49f6b0ffe8caf5b54e2c9cf929b"}],"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-40560a42f49ef6ad0c6d425c5bddac24","url":"https://github.com/advisories/GHSA-fp3f-mc75-235c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fp3f-mc75-235c","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"},{"id":"sr-355ed49f6b0ffe8caf5b54e2c9cf929b","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71870","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-71870","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T15:08:07.832Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-40560a42f49ef6ad0c6d425c5bddac24"],"technology":"pypdf","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the `/ToUnicode` entry of a font with unusually large values, for example during text extraction.\n\n### Patches\n\nThis has been fixed in pypdf==6.15.0.\n\n### Workarounds\n\nIf you cannot upgrade yet, consider applying the changes from PR #3944.","public_affected_ranges":["< 6.15.0"]}],"null_published_at":"2026-11-08T19:53:44.048Z","source_updated_at":"2026-08-09T05:26:55.000Z","source_disclosed_at":"2026-08-07T19:29:09.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T20:17:12.848Z"},{"id":"NVI-00015208","kind":"vulnerability","title":"pypdf: Possible large memory usage for large /ToUnicode streams","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-fp3f-mc75-235c","CVE-2026-71870"],"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-40560a42f49ef6ad0c6d425c5bddac24"],"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-40560a42f49ef6ad0c6d425c5bddac24","url":"https://github.com/advisories/GHSA-fp3f-mc75-235c","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-fp3f-mc75-235c","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:17:12.848Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-40560a42f49ef6ad0c6d425c5bddac24"],"technology":"pypdf","known_exclusions":[],"conditions_summary":"### Impact\n\nAn attacker who uses this vulnerability can craft a PDF which leads to large memory consumption. This requires parsing the `/ToUnicode` entry of a font with unusually large values, for example during text extraction.\n\n### Patches\n\nThis has been fixed in pypdf==6.15.0.\n\n### Workarounds\n\nIf you cannot upgrade yet, consider applying the changes from PR #3944.","public_affected_ranges":["< 6.15.0"]}],"null_published_at":"2026-11-03T10:03:26.561Z","source_updated_at":"2026-08-09T05:26:55.000Z","source_disclosed_at":"2026-08-07T19:29:09.000Z","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":"2026-11-02T20:17:12.848Z"}],"next_cursor":null,"snapshot_revision":"42594"}