CVE-2026-113793 — pypdf: Possible infinite loop when removing tree items
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, removing an object from a crafted cyclic PDF tree, such as an outline item, can enter an infinite loop …
Published: 2026-10-21 · CVSS: 6.0 · CVSS 4.0
pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, removing an object from a crafted cyclic PDF tree, such as an outline item, can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7