What’s Vulnerable › Vulnerabilities

CVE-2021-21793

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-08 · updated 2026-06-17
• Weakness: CWE-131

Description

An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

• Accusoft ImageGear: 19.8, 19.9

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1257
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1257

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