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TI-2026-15340 Aliases CVE-2026-18716GHSA-5w7c-9hff-vv9j

Vulnerabilities in IBM AIX and PowerVM VIOS

Priority LOW 39CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote authenticated attacker to obtain sensitive information or cause a denial of service due to an out-of-bounds read.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00394 33rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IBMAIX7.2; 7.3—No fix listedCNA
IBMPowerVM VIOS4.1—No fix listedCNA
  • AIX VendorIBM Affected 7.2; 7.3 Fixed in — No fix listed CNA
  • PowerVM VIOS VendorIBM Affected 4.1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*4.1.0 to before 4.1.0.50; 4.1.1.0 to before 4.1.1.30; 4.1.2.0 to before 4.1.2.20VulnerableIBM
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*7.2.5 – 7.2.5.212; 7.3.2 – 7.3.2.5; 7.3.3 – 7.3.3.2; 7.3.4 – 7.3.4.1VulnerableIBM
  • cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:* Versions 4.1.0 to before 4.1.0.50; 4.1.1.0 to before 4.1.1.30; 4.1.2.0 to before 4.1.2.20 Vulnerable ·IBM
  • cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:* Versions 7.2.5 – 7.2.5.212; 7.3.2 – 7.3.2.5; 7.3.3 – 7.3.3.2; 7.3.4 – 7.3.4.1 Vulnerable ·IBM

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    IBM AIX, PowerVM VIOS — ibm.com/support/pages/node/7283858

    144 records Highest priority Priority MEDIUM 78 MEDIUM, 66 LOW

    Other records, highest priority first

    • TI-2026-14245 Vulnerabilities in IBM AIX and PowerVM VIOSPriority MEDIUM 51
    • TI-2026-14253 Vulnerabilities in IBM AIX and PowerVM VIOSPriority MEDIUM 50
    • TI-2026-14251 Vulnerabilities in IBM AIX and PowerVM VIOSPriority MEDIUM 50
    Show all 144 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-18716
  2. 2026-10-03 Alias added: GHSA-5w7c-9hff-vv9j

References

Patch 1

  • TI-2001-00767 Buffer overflow in login in various System V based operating systems allows remote… CVSS 2.0HIGH 10.0
  • TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0
  • TI-2009-03523 Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x… CVSS 2.0HIGH 10.0
  • TI-1999-00045 Buffer overflow of rlogin program using TERM environmental variable. CVSS 2.0HIGH 10.0
  • TI-2001-00539 Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows… CVSS 2.0HIGH 10.0
  • TI-1999-00009 Inverse query buffer overflow in BIND 4.9 and BIND 8 Releases. CVSS 2.0HIGH 10.0
See all 544 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences