CVE-2021-36978

—

CVSS 3.1

5.5 medium

EPSS

1%p68

Published

Jul 20, 2021 (Jul 20, 2021)

Modified

Jun 17, 2026

Description

QPDF 9.x through 9.1.1 and 10.x through 10.0.4 has a heap-based buffer overflow in Pl_ASCII85Decoder::write (called from Pl_AES_PDF::flush and Pl_AES_PDF::finish) when a certain downstream write fails.

Vendors: qpdf project
Products: qpdf
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.3%)

In the news0 stories

No ingested article mentions this CVE yet.