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-2026-78590

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-2026-78461

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Improper privilege management may allow a local attacker to gain elevated privileges. Recommendations At the moment, there is no information about a newer version that...

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-2026-78621

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-2026-78594

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 remote attacker could cause a denial of service due to a NULL pointer dereference, which occurs when a program attempts to read or write to a memory address tha...

PT-2026-78430

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM PowerVM VIOS version 4.1 Description Network Installation Management NIM contains a flaw where TLS certificates are not properly validated. This could allow a remote attacker to gain unauthorized access to AIX...

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-2026-78666

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-2026-78623

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...

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...

CVE-2026-64318

A flaw was found in the Linux kernel's AIX partition handling. A local attacker can provide a specially crafted AIX/IBM partition table on a block device. When the kernel scans this device, the aixpartition function reads an unvalidated ppcount value, causing it to read beyond the allocated buffe...

Security Bulletin: Cargo in IBM Open SDK for Rust on AIX uses a vulnerable version of gix

Summary The cargo package manager in IBM Open SDK for Rust on AIX 1.92.0.2 and 1.94.0.0 uses gix and gix-submodule crates that are vulnerable to command injection. Vulnerability Details CVEID:CVE-2026-40034 DESCRIPTION: gix-submodule before 0.29.0 gitoxide before 0.5.21, gix before 0.84.0...

Security Bulletin: Cargo in IBM Open SDK for Rust on AIX uses a vulnerable version of the cargo crate

Summary The cargo package manager in IBM Open SDK for Rust on AIX 1.92.0.2 and 1.94.0.0 ships a version of the cargo crate that incorrectly handles symlinks inside tar balls. Vulnerability Details CVEID:CVE-2026-5222 DESCRIPTION: Cargo between 1.68 and 1.96 incorrectly normalized the URLs of...

Security Bulletin: Cargo in IBM Open SDK for Rust on AIX uses a vulnerable version of the openssl crate

Summary The cargo package manager in IBM Open SDK for Rust on AIX 1.92.0.2 and 1.94.0.0 ships a version of the openssl crate that contains multiple vulnerabilities. Vulnerability Details CVEID:CVE-2026-42327 DESCRIPTION: rust-openssl provides OpenSSL bindings for the Rust programming language. Fr...

Multiple vulnerabilities impacts 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)

IBM SECURITY ADVISORY First Issued: Tue Jul 28 05:27:04 CDT 2026 The most recent version of this document is available here: https://aix.software.ibm.com/aix/efixes/security/curladvisory11.asc Security Bulletin: Multiple vulnerabilities impacts AIX due to cURL libcurl CVE-2026-10536,...

SUSE CVE-2026-64318

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 descriptor into a fixed-size struct pvd and then scans its physical-partition-extent array: int numpps = be16tocpupvd-ppcount; ... fo...