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Critical severity9.8NVD Advisory· Published Jul 8, 2021· Updated Jun 17, 2026

CVE-2021-21821

CVE-2021-21821

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.

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Affected products

3
  • Accusoft/Imagegear2 versions
    cpe:2.3:a:accusoft:imagegear:19.9:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:accusoft:imagegear:19.9:*:*:*:*:*:*:*
    • (no CPE)range: 19.9
  • Accusoft/ImageGeardescription

Patches

Vulnerability mechanics

References

1

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