CVE-2021-21821

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-07-08 · updated 2026-06-17
Weakness: CWE-121

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.

Affected products

Accusoft ImageGear: 19.9

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1286
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1286

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