VULNERABILITY INTELLIGENCE

CVE-2021-36978

CVSS score5.5 MEDIUM
EPSS probability1.27%
CISA KEVNot currently listed
Published2021-07-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references