CVE-2021-36978

qpdf: heap-based buffer overflow in Pl_ASCII85Decoder::write() when a certain downstream write fails

Published Jul 20, 2021 CVSS 3.1 · 5.5 Medium EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3548-1 qpdf security update
Ubuntu USN Ubuntu USN USN-5026-1 QPDF vulnerabilities
Ubuntu USN Ubuntu USN USN-5026-2 QPDF vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 15, 2024, 5:14 PM
Reserved
Jul 20, 2021, 12:00 AM
Status
Modified
Published
Jul 20, 2021, 7:15 AM
Modified
Jun 17, 2026, 3:59 AM
Severity
Moderate
Public date
Jan 4, 2021, 12:00 AM