PT-2026-132827

CVE-2026-119205

Published

2026-10-28

Updated

2026-11-02

Description by

CVSS 4.0

7.1

High

MetricsAV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.21.4

Description The library can enter an infinite loop when cloning or duplicating a crafted cyclic DictionaryObject. This occurs because the clone traversal process checks generated destination references instead of the original source references, which allows certain source cycles to bypass the visited-object check.

Recommendations Update to version 6.21.4.

Exploitability

Exploit

Fix

Impacts

Researchers

Smaeljaish771

Vendors

Affected products

Weakness enumeration

CWE-835: Loop with Unreachable Exit Condition (\'Infinite Loop\')

Related identifiers