CVE-2018-18020 in QPDF

Sumário

de VulDB • 14/06/2026

In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file.

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• Reservar: 06/10/2018
• Divulgação: 06/10/2018
• Moderação: aceite
• Entrada: VDB-124950
• CPE: pronto
• CWE: CWE-20 (confirmado)
• CVSS: 3.3 (NVD)
• EPSS: 0.01281
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2018-18020
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-18020
• CVE Details: https://www.cvedetails.com/cve/CVE-2018-18020/