High severity8.4NVD Advisory· Published Jan 23, 2026· Updated Apr 15, 2026
CVE-2021-47881
CVE-2021-47881
Description
dataSIMS Avionics ARINC 664-1 version 4.5.3 contains a local buffer overflow vulnerability that allows attackers to overwrite memory by manipulating the milstd1553result.txt file. Attackers can craft a malicious file with carefully constructed payload and alignment sections to potentially execute arbitrary code on the Windows system.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: =4.5.3
Patches
Vulnerability mechanics
References
4News mentions
0No linked articles in our index yet.