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CVE-2026-82864

CVE-2026-82864 · pdfme pdf-lib before 5.5.10 Denial of Service via Decompression Bomb

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 7.1 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • pdf-lib

    Versions
    • ≥ 0, < 5.5.10: Affected (semver)
    • 5.5.10: Not affected (semver)

    Update to 5.5.10

  • @pdfme/pdf-lib npm

    Affected ranges
    • SEMVER: < 5.5.10

    Update to 5.5.10

Original sources

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