Memory Allocation with Excessive Size Value Affecting pypdf package, versions [,6.10.2)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-PYPDF-16097899
- published17 Apr 2026
- disclosed16 Apr 2026
- creditL3B4nk4
Introduced: 16 Apr 2026
NewCVE-2026-41314 (opens in a new tab)How to fix?
Upgrade pypdf to version 6.10.2 or higher.
Overview
pypdf 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.