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HIGH

CVE-2021-21782

CVSS v3

8.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An out-of-bounds write vulnerability exists in the SGI format buffer size processing functionality of Accusoft ImageGear 19.8. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Technical details

Published
2021-03-31

Frequently asked questions

What is CVE-2021-21782?

An out-of-bounds write vulnerability exists in the SGI format buffer size processing functionality of Accusoft ImageGear 19.8. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Is CVE-2021-21782 actively exploited?

Active exploitation of CVE-2021-21782 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-21782?

CVE-2021-21782 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-21782 affecting your environment?

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