VULNERABILITY INTELLIGENCE

CVE-2026-16839

CVSS score9.4 CRITICAL
EPSS probability0.52%
CISA KEVNot currently listed
Published2026-08-19
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

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.

Weakness classification

  • psirt@us.ibm.com: CWE-125

Primary references