CVE Catalog
CVE-2026-16839
CriticalCVSS 9.4Summary
IBM AIX 7.2, 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.
Risk Assessment
An attacker could gain access to sensitive system information, potentially leading to privacy breach and information security compromise.
Recommendation
Install security patches from IBM that fix the integer underflow issue in the IP options parser.
Original NVD description (English source)
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.