CVE-2026-16839

CRITICAL CVSS 9.4 View on NVD ↗

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information due to an integer underflow in the IPv4 IP-options parser.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

References

https://www.ibm.com/support/pages/node/7283858

Published: Aug 19, 2026 20:17 UTC Modified: Aug 20, 2026 13:16 UTC