Fix (APAR): PH42862 Status: Fix Release: 9.0.5.10,9.0.5.9 Operating System: AIX,HP-UX,Linux,Solaris,Windows,z/OS Supersedes Fixes: PH42862 PH41945 PH42587 CMVC Defect: xxxxxx Byte size of APAR: 29697826 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: Special Instructions: None NOTE: The user must: * Be at V1.8.5 or newer of the Installation Manager. Certain iFixes may require a newer version of the Installation Manager and the Installation Manager will inform you during the installation process if a newer version is required. * Be logged in with the same authority level when unpacking a fix, fix pack, or refresh pack. The IBM Information Center can provide details, if needed, on the use of the Installation Manager to apply the interim fix: http://www.ibm.com/support/knowledgecenter/SSDV2W_1.8.5/com.ibm.cic.agent.ui.doc/helpindex_imic.html. 1) Shutdown IBM HTTP Server 2) Apply the interim fix using Installation Manager 3) Restart IBM HTTP Server Directions to remove fix: The IBM Information Center can provide details, if needed, on the use of the Installation Manager to remove the interim fix: http://www.ibm.com/support/knowledgecenter/SSDV2W_1.8.5/com.ibm.cic.agent.ui.doc/helpindex_imic.html. 1) Shutdown IBM HTTP Server 2) Remove the interim fix using Installation Manager 3) Restart 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: