CVE-2026-16839
CRITICAL
NVD
CVSS Score
9.4
Severity
CRITICAL
Published
Aug 19, 2026
Vendor
unknown
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.