APAR status
Closed as program error.
Error description
Vulnerabilities in libxml2 could cause a denial of service or other possible undefined behavior (CVE-2025-49796, CVE-2025-49794, CVE-2025-49795, CVE-2025-6021). AIX uses libxml2 as part of its XML parsing functions.
Local fix
Problem summary
This APAR addresses the security issue described in: https://aix.software.ibm.com/aix/efixes/security/ libxml2_advisory9.asc
Problem conclusion
Removed security issue.
Temporary fix
Comments
7200-05 - use AIX APAR IJ55266 7300-03 - use AIX APAR IJ55269
APAR Information
APAR number
IJ55266
Reported component name
AIX V7.2
Reported component ID
5765CD200
Reported release
720
Status
CLOSED PER
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2025-07-14
Closed date
2025-07-14
Last modified date
2026-02-25
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
AIX V7.2
Fixed component ID
5765CD200
Applicable component levels
[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SG11S","label":"AIX 7.2 HIPERS- APARs and Fixes"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
Document Information
Modified date:
26 February 2026