## pypdf: Possible infinite loop when hitting EOF in standard xref table

- 種別: advisory
- 重大度: medium
- 関連技術: python, github
- CVE: CVE-2026-113794
- 公開日時: 2026-10-21T16:54:44.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-39mj-jf6j-2qj3)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-39mj-jf6j-2qj3

影響: pip:pypdf < 6.20.0 → 6.20.0
Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires an incomplete file which ends inside the xref table. Patches This has been fixed in [pypdf==6.20.0](https://github.com/py-pdf/pypdf/releases/tag/6.20.0). Workarounds If you cannot upgrade yet, consider applying the changes from PR [#4170](https://github.com/py-pdf/pypdf/pull/4170). Notes This has been reported through both the secure channel and as a public issue at [#4169](https://gith…