Memory Allocation with Excessive Size Value Affecting pypdf package, versions [,6.14.0)
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-PYTHON-PYPDF-17895063
- published8 Jul 2026
- disclosed8 Jul 2026
- creditMR-SS
Introduced: 8 Jul 2026
NewCVE-2026-59938 (opens in a new tab)How to fix?
Upgrade pypdf to version 6.14.0 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 via the image parsing process. An attacker can cause excessive memory consumption by crafting a PDF with manipulated image dimension values that are significantly larger than the actual image data.