CVE-2026-16839

Affected products: IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1. Root cause: integer underflow in the IPv4 IP-options parser, exploitable remotely with no authentication. Impact: CVSS 9.4 (Critical) — high integrity/availability, low confidentiality. Exploitation status: no in-the-wild exploitation or ...

CVE-2026-16839 Vulnerabilities in IBM AIX and PowerVM VIOS

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...