Improper input validation in Oracle Solaris - CVE-2026-21942
Published: January 20, 2026
Vulnerability identifier: #VU121756
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-21942
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Filesystems component in Oracle Solaris. A local authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.
Affected software
Oracle Solaris
How to mitigate CVE-2026-21942
Install updates from vendor's website.