What is GHSA-gvgq-37w5-4f8q?

GHSA-gvgq-37w5-4f8q is a security advisory published by GitHub Security Advisories with High severity. pdfme pdf-lib versions before 5.5.10 contain an unbounded buffer growth vulnerability in the...

Which CVE IDs does GHSA-gvgq-37w5-4f8q cover?

GHSA-gvgq-37w5-4f8q covers the following CVE IDs: CVE-2026-82864. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-gvgq-37w5-4f8q?

GHSA-gvgq-37w5-4f8q has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-gvgq-37w5-4f8qHighCVSS 6.5

pdfme pdf-lib versions before 5.5.10 contain an unbounded buffer growth vulnerability in the...

Vendor

GitHub Security Advisories

Published

August 31, 2026

Last Modified

August 31, 2026

🔗 CVE IDs covered (1)

CVE-2026-82864 →

📋 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.

🔗 References (4)

https://github.com/pdfme/pdfme/security/advisories/GHSA-vrqm-gvq7-rrwh
https://nvd.nist.gov/vuln/detail/CVE-2026-82864
https://www.vulncheck.com/advisories/pdfme-pdf-lib-before-5.5.10-denial-of-service-via-decompression-bomb
https://github.com/advisories/GHSA-gvgq-37w5-4f8q