VULNERABILITY INTELLIGENCE

CVE-2021-21947

CVSS score8.8 HIGH
EPSS probability1.08%
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

Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based buffer overflow takes place when the `SOF3` precision is greater or equal than 9.

Weakness classification

  • talos-cna@cisco.com: CWE-122
  • nvd@nist.gov: CWE-129

Primary references