Improper Handling of Highly Compressed Data (Data Amplification) Affecting @pdfme/pdf-lib package, versions <5.5.10
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-JS-PDFMEPDFLIB-15746946
- published22 Mar 2026
- disclosed20 Mar 2026
- creditrestriction
Introduced: 20 Mar 2026
CVE NOT AVAILABLE CWE-409 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade @pdfme/pdf-lib to version 5.5.10 or higher.
Overview
@pdfme/pdf-lib is a Create and modify PDF files with JavaScript
Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) through the ensureBuffer function in the stream decoding. An attacker can exhaust system memory and cause application crashes by supplying a specially crafted PDF file with a highly compressed FlateDecode stream.