Stack-based buffer overflow in Sakura Editor - #VU145346
Published: August 25, 2026
Vulnerability identifier: #VU145346
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to stack-based buffer overflow in CProcessFactory::StartControlProcess when processing a crafted profile name passed through the command line. A local user can supply an overly long -PROF= argument to execute arbitrary code.
Exploitation requires control over the command-line arguments used to start the application, such as through a modified shortcut or batch script.
Affected software
Sakura Editor
Remediation
Install security update from vendor's website.
Sakura Editor - update to 2.4.3