CVE-2026-19448

Published Aug 20, 2026

Last updated 3 days ago

Overview

Description
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.
Source
psirt@us.ibm.com
NVD status
Received

Risk scores

CVSS 3.1

Type
Secondary
Base score
6.5
Impact score
4.2
Exploitability score
2.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Severity
MEDIUM

Weaknesses

psirt@us.ibm.com
CWE-908

Social media

Hype score
Not currently trending

References

Sources include official advisories and independent security research.