Fix (APAR): PH42862 Status: Fix Release: 9.0.5.10 Operating System: AIX,Linux,Windows Supersedes Fixes: PH42862 PH41945 PH42587 CMVC Defect: xxxxxx Byte size of APAR: 186484348 Date: 2022-01-12 Abstract: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server (CVE-2021-44790 CVSS 9.8 and more) Description/symptom of problem: PH42862 resolves the following problem: ERROR DESCRIPTION: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server (CVE-2021-44790 CVSS 9.8 and more) PROBLEM SUMMARY: Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server (CVE-2021-44790 CVSS 9.8 and more) PROBLEM CONCLUSION: Confidential for CVE-2021-44790, CVE-2021-44224 The fix for this APAR is targeted for inclusion in IBM HTTP Server fix pack 9.0.5.11. For more information, see 'Recommended Updates for WebSphere Application Server': https://www.ibm.com/support/pages/node/715553 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: