{"id":"ghsa-ghsa-f54x-cmq8-qg57","seq":309554,"kind":"advisory","title":"pypdf: Possible large memory usage when parsing arrays and dictionaries","url":"https://github.com/advisories/GHSA-f54x-cmq8-qg57","permalink":"https://vulnpulse.app/items/ghsa-ghsa-f54x-cmq8-qg57","summary":"影響: pip:pypdf < 6.21.0 → 6.21.0\nAn attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing arrays and/or dictionaries with lots of elements. Patches This has been fixed in [pypdf==6.21.0](https://github.com/py-pdf/pypdf/releases/tag/6.21.0). Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4218](https://github.com/py-pdf/pypdf/pull/4218).","severity":"medium","techs":["python","github"],"cves":["CVE-2026-113790"],"tags":["GHSA-f54x-cmq8-qg57","pypdf"],"source":{"id":"ghsa","name":"GitHub Advisory Database"},"published_at":"2026-10-22T16:49:40.000Z","fetched_at":"2026-10-22T20:09:55.169Z"}