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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2026-82864

pdfme pdf-lib before 5.5.10 Denial of Service via Decompression Bomb

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

pdfme pdf-lib

Default version status: unaffected

  • 0 to < 5.5.10affected
  • 5.5.10unaffected
pkg:npm/%40pdfme/pdf-lib

References