CVE-2017-11323: Estsoft Alzip

High severity, CVSS 7.8. EPSS: 3% chance of exploitation in the next 30 days.

Stack-based buffer overflow in ESTsoft ALZip 8.51 and earlier allows remote attackers to execute arbitrary code via a crafted MS-DOS device file, as demonstrated by use of "AUX" as the initial substring of a filename.

Affected products

• Estsoft Alzip: up to and including 8.51

Published 2017-08-19. Last modified 2026-06-17.