CVE-2026-91208: Medium severity Oracle Oracle Solaris vulnerability
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services). The supported version that is affected is 11.4. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris. CVSS 3.1 Base Score 5.1 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).
Affected Software
Event History
Frequently Asked Questions
Who is realistically exposed to this vulnerability?
Oracle Solaris 11.4 systems are affected. Exploitation requires access to the infrastructure where Oracle Solaris is running, and the CVSS vector identifies the attack as local.
What level of access does an attacker need?
The vulnerability is described as unauthenticated with no privileges required, but the attacker must have logon access to the infrastructure where the affected Solaris system executes. No user interaction is required.
What is the likely impact of a successful attack?
A successful attack can cause Oracle Solaris to hang or crash repeatedly, resulting in a complete denial of service. The stated impacts are limited to availability; no confidentiality or integrity impact is listed.
Is exploitation considered straightforward?
No. The vulnerability is characterized as difficult to exploit, and the CVSS vector assigns high attack complexity.