CVE-2026-19448

MEDIUM CVSS 3.1: 6.5 EPSS 0.32%
Updated Aug 21, 2026
IBM
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-908 (Use of Uninitialized Resource)
Vendor IBM
Public PoC No

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 A stack memory corruption vulnerability exists in the AIX IPsec ESP decapsulation handler. Successful exploitation may corrupt kernel stack state and cause a system crash, resulting in denial of service.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
High
Complete denial of service

CVSS Vector v3.1