VULNERABILITY INTELLIGENCE

CVE-2021-21942

CVSS score8.8 HIGH

EPSS probability2.01%

CISA KEVNot currently listed

Published2022-04-14

Last modified2026-06-17

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

Description

An out-of-bounds write vulnerability exists in the TIFF YCbCr image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

Weakness classification

CWE-122: Heap-based Buffer Overflow
CWE-787: Out-of-bounds Write

Primary references

talos-cna@cisco.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory