AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

IBMCVE-2026-16839

IBM AIX: information disclosure

IBM

CVE-2026-16839 · Published Aug 19, 2026 · updated Aug 24, 2026

Critical9.4
No fix yet
IBM advisory

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.

Affected versions

PackageAffectedFixed in
AIX
Product
<= 7.2No fix yet
<= 7.3No fix yet
PowerVM VIOS
Product
<= 4.1No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-125

More IBM advisories

All IBM
High 7.4Aug 19IBM DS8A00 (R10.0 - R10.1): information disclosureCVE-2025-36254no fix yetHigh 7.5Aug 19IBM DS8A00: authenticated user could create a user with privileged userCVE-2025-36255no fix yetMedium 5.4Aug 19IBM DS8A00: authenticated user could read or modify another user'sCVE-2025-36398no fix yetMedium 5.1Aug 19IBM PowerVM Hypervisor Platform KeyStoreCVE-2026-4936no fix yetMedium 5.3Aug 19IBM PowerVM Hypervisor: local attacker could decrypt encrypted dataCVE-2026-4937no fix yetMedium 5.5Aug 19IBM go-slug: local attacker could bypassCVE-2026-14978no fix yet