CVE-2026-82864 — pdfme pdf-lib before 5.5.10 Denial of Service via Decompression Bomb
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 …
Published: 2026-08-31 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7