CVE-2021-21833

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-06-11 · updated 2026-06-17
Weakness: CWE-119

Description

An improper array index validation vulnerability exists in the TIF IP_planar_raster_unpack functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.

Affected products

Accusoft ImageGear: 19.9

References

https://talosintelligence.com/vulnerability_reports/TALOS-2021-1296
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1296

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