Fix (APAR): PH49572 Status: Fix Release: 9.0.5.13 Operating System: AIX,Linux,Windows Supersedes Fixes: NONE CMVC Defect: xxxxxx Byte size of APAR: 186957297 Date: 2022-10-03 Abstract: IBM HTTP Server is vulnerable to arbitrary code execution due to Expat (CVE-2022-40674 CVSS 9.8) Description/symptom of problem: PH49572 resolves the following problem: ERROR DESCRIPTION: Confidential for Security Integrity interim fix CVE-2022-40674 PROBLEM SUMMARY: Confidential for Security Integrity interim fix CVE-2022-40674 PROBLEM CONCLUSION: Confidential for CVE-2022-40674 Directions to apply fix: 1) Stop IBM HTTP Server. AIX Only: run "slibclean" as root. 2) Backup your IBM HTTP Server installation directory 3) Extract this interim fix with your IBM HTTP Server installation as your working directory 4) Start IBM HTTP Server Directions to remove fix: 1) Stop IBM HTTP Server. AIX Only: run "slibclean" as root. 2) Restore earlier IBM HTTP Server installation root from backup. Or, extract a previous maintenance level archive install on top of current installation 2) Start IBM HTTP Server Directions to re-apply fix: 1) Stop IBM HTTP Server. 2) Follow the directions to apply the fix. 3) Restart IBM HTTP Server. Additional Information: