Bug 2457903

Summary: CVE-2026-34477 apache-commons-configuration: Apache Log4j Core: Man-in-the-middle attack due to incomplete hostname verification [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: apache-commons-configurationAssignee: Jerry James <loganjerry>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: epel-packagers-sig, extras-orphan, java-sig-commits, loganjerry, michel, SpikeFedora
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["7c2c7a23-223c-4fc8-a8cb-4a45291c236a"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-13 16:51:18 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2457319    

Description Jon Moroney 2026-04-13 16:40:27 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Jerry James 2026-04-13 16:51:18 UTC
The log4j functionality is only used for the tests, which are not shipped in any binary RPM. The usage in the tests does not meet the conditions described in the CVE.