Security Bulletin: AIX/VIOS Perl is vulnerable to a null pointer dereference (CVE-2026-24515) and an integer overflow (CVE-2026-25210)

Summary Vulnerabilities in Perl could cause a null pointer dereference CVE-2026-24515 or an integer overflow CVE-2026-25210. AIX uses Perl in various operating system components. Vulnerability Details CVEID:CVE-2026-24515 DESCRIPTION: In libexpat before 2.7.4, XMLExternalEntityParserCreate does n...

Security Bulletin: Vulnerability in libxml2 (CVE-2025-8732) affects AIX/VIOS

Summary Updated Mar 13 2026: Added iFix information for VIOS 3.1. Vulnerability in libxml2 could cause an uncontrolled recursion CVE-2025-8732. AIX uses libxml2 as part of its XML parsing functions. Vulnerability Details CVEID:CVE-2025-8732 DESCRIPTION: A vulnerability was found in libxml2 up to...

Security Bulletin: AIX/VIOS is vulnerable to denial of service and possible code execution due to Perl (WS-2025-0004)

Summary Vulnerability in Perl could allow an attacker to cause a denial of service or possibly execute code WS-2025-0004. AIX uses Perl in various operating system components. Vulnerability Details ID:WS-2025-0004 DESCRIPTION: Fix a class of false positives where input should have been rejected...

CVE-2025-36251

IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 nimsh service SSL/TLS implementations could allow a remote attacker to execute arbitrary commands due to improper process controls. This addresses additional attack vectors for a vulnerability that was previously addressed in CVE-2024-56347...

PT-2025-46923

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.2 and 7.3 IBM VIOS versions 3.1 and 4.1 Description The NIM server formerly known as NIM master service nimesis in IBM AIX and IBM VIOS may allow a remote attacker to execute arbitrary commands and traverse directories on th...

PT-2024-21778 · Ibm · Vios +1

Name of the Vulnerable Software and Affected Versions: IBM AIX versions 7.2 through 7.3 VIOS versions 3.1 through 4.1 Description: A vulnerability in the invscout command allows a non-privileged local user to execute arbitrary commands. This issue poses a high risk and could be exploited by...

CVE-2021-29693

IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group privileges to cause a denial of service due to a vulnerability in the lpd daemon. IBM X-Force ID: 200255...