CVE-2026-113793

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...

CVE-2026-113793

The pypdf library, a pure-python PDF library, is vulnerable to a denial-of-service condition in versions prior to 6.20.1 . The root cause is an infinite loop triggered when removing an object from a crafted cyclic PDF tree , such as an outline item, which results in the current process being bloc...

EUVD-2026-107334

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...

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 and block the current process. This issue is fixed in version 6.20.1...

PT-2026-120664

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...