CVE-2021-21821

9.8 criticalEPSS 2.0%

Critical (9.8) in accusoft imagegear. EPSS 2.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWEs: CWE-787, CWE-121
Published: 2021-07-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

accusoft:imagegear

References

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

Check your stack JSON