CVE Catalog

CVE-2026-82864

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.44%

36th percentile - higher than 36% of all known CVEs

Summary

pdfme pdf-lib versions before 5.5.10 contain an unbounded buffer growth vulnerability in the DecodeStream.ensureBuffer() method that allows attackers to cause denial of service by supplying a crafted PDF with a FlateDecode stream containing a decompression bomb. Attackers can upload a small compressed PDF that decompresses to hundreds of megabytes, exhausting memory and crashing the Node.js process or freezing browser tabs during PDF parsing.

Risk Assessment

The DoS risk may lead to unavailability of services or applications, potentially disrupting organizational operations.

Recommendation

It is recommended to upgrade pdfme pdf-lib to version 5.5.10 or later, which includes a fix for this vulnerability.

Related vulnerabilities

Original NVD description (English source)

pdfme pdf-lib versions before 5.5.10 contain an unbounded buffer growth vulnerability in the DecodeStream.ensureBuffer() method that allows attackers to cause denial of service by supplying a crafted PDF with a FlateDecode stream containing a decompression bomb. Attackers can upload a small compressed PDF that decompresses to hundreds of megabytes, exhausting memory and crashing the Node.js process or freezing browser tabs during PDF parsing.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS