CVE-2021-21821

CRITICAL

Accusoft ImageGear 19.9 - Stack-based Buffer Overflow in PDF Font Name Processing

Title source: llm
STIX 2.1

Description

A stack-based buffer overflow vulnerability exists in the PDF process_fontname functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1286

Scores

CVSS v3 9.8
EPSS 0.0196
EPSS Percentile 77.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-121 CWE-787
Status published
Products (1)
accusoft/imagegear 19.9
Published Jul 08, 2021
Tracked Since Feb 18, 2026