Improper input validation in Oracle Solaris - CVE-2026-21942

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Main Vulnerability Database Vulnerabilities #VU121756

Improper input validation in Oracle Solaris - CVE-2026-21942

Published: January 20, 2026


Vulnerability identifier: #VU121756
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-21942
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Oracle
Affected software:
Oracle Solaris

Detailed vulnerability description

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.


How to mitigate CVE-2026-21942

Install updates from vendor's website.

Sources