PT-2026-78603

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buffer located on the stack...

PT-2026-78623

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper enforcement of Role-Based Access Control RBAC authentication roles may allow a local attacker to obtain root privileges. RBAC is a method of restricting system acce...

PT-2026-78621

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description A stack-based buffer overflow allows a remote attacker to execute arbitrary code. A stack-based buffer overflow occurs when a program writes more data to a buffer located on...

PT-2026-78666

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote authenticated attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buff...

PT-2026-78619

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

PT-2026-78667

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A stack buffer overflow allows a remote attacker to execute arbitrary code. A stack buffer overflow occurs when a program writes more data to a buffer located on...

PT-2026-78596

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to disclose kernel memory due to an out-of-bounds read...

PT-2026-78613

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an integer overflow...

PT-2026-78658

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an out-of-bounds write...

PT-2026-78590

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper certificate validation allows a remote attacker to impersonate the TNC policy server and modify network traffic. Recommendations At the moment, there is no...

PT-2026-78600

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A time-of-check to time-of-use TOCTOU race condition exists, which could allow a local attacker to overwrite critical files and obtain sensitive information. A...

PT-2026-78614

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to cause a denial of service due to a heap buffer overflow...

PT-2026-78610

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper check for an array index boundary...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101965)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101965 advisory. In the Linux kernel, the following vulnerability has been resolved: partitions: aix: bound the ppcount scan to the ppe array aixpartition reads the physical volume...

PT-2026-83324

Name of the Vulnerable Software and Affected Versions IBM AIX version 7.2 IBM AIX version 7.3 IBM PowerVM VIOS version 4.1 Description A format string vulnerability exists that could allow a local attacker to gain elevated privileges. A format string vulnerability occurs when an application...

PT-2026-79246

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Remote authenticated attackers can execute arbitrary commands due to improper neutralization of special elements used in an OS command. This issue occurs when the system fai...

Vulnerabilities in IBM AIX and PowerVM VIOS

IBM SECURITY ADVISORY First Issued: Fri Aug 14 20:25:19 CDT 2026 Updated: Fri Aug 21 10:35:27 CDT 2026 Update: Updated the summary to highlight the additional installation instructions. The most recent version of this document is available here:...

Security Bulletin: Vulnerability in BIND (CVE-2026-1519) affects AIX/ VIOS.

Summary When a BIND 9 resolver performs DNSSEC validation on a maliciously crafted DNS zone, an attacker can trigger excessive NSEC3 iterations during insecure delegation validation. This causes the named process to consume excessive CPU resources, potentially making the resolver unavailable...

Security Bulletin: Vulnerability in BIND (CVE-2025-13878) affects AIX/ VIOS.

Summary A remote attacker can send or trigger processing of malformed BRID/HHIT DNS resource records, causing the named daemon to terminate unexpectedly. Vulnerability Details CVEID:CVE-2025-13878 DESCRIPTION: Malformed BRID/HHIT records can cause named to terminate unexpectedly. This issue affec...

Security Bulletin: Multiple vulnerabilities impact AIX due to CURL libcurl (CVE-2026-10536, CVE-2026-11856, CVE-2026-8286, CVE-2026-8458, CVE-2026-8924, CVE-2026-8927, CVE-2026-8932, CVE-2026-9547).

Summary Multiple vulnerabilities in the curl/libcurl are related to use-after-free, reusing an invalid connection, bypass Public Suffix List checks, improper host key validation and invalid authorization. Vulnerability Details CVEID:CVE-2026-10536 DESCRIPTION: A use-after-free vulnerability exist...