Memory Allocation with Excessive Size Value Affecting pypdf2 package, versions [0,]
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Test your applications- Snyk IDSNYK-PYTHON-PYPDF2-16097900
- published17 Apr 2026
- disclosed16 Apr 2026
- creditL3B4nk4
Introduced: 16 Apr 2026
New CVE NOT AVAILABLE CWE-789 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
There is no fixed version for PyPDF2.
Overview
PyPDF2 is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files
Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the FlateDecode image processing when handling images with large size values. An attacker can exhaust system memory by crafting a PDF that references an image with manipulated dimensions, leading to resource exhaustion when the file is processed.