Softdisk 3.0.3 contains a buffer overflow vulnerability in the registration code dialog that allows local attackers to crash the application by supplying an oversized string. Attackers can trigger the vulnerability by entering a 6000-byte payload in the Registration Name field through the Help menu's Enter Registration Code dialog to cause a denial of service.
https://www.vulncheck.com/advisories/softdisk-buffer-overflow-denial-of-service
https://www.ezbsystems.com/softdisc/download.htm
Published: 2026-04-26
Updated: 2026-04-27
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 6.2
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: Medium
Base Score: 6.9
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.00012