Bug 2451331

Summary: CVE-2026-33228 389-ds-base: Flatted: Prototype pollution vulnerability allows arbitrary code execution via crafted JSON. [fedora-all]
Product: [Fedora] Fedora Reporter: Keith Grant <kgrant>
Component: 389-ds-baseAssignee: Viktor Ashirov <vashirov>
Status: CLOSED NOTABUG QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: urgent Docs Contact:
Priority: urgent    
Version: rawhideCC: abokovoy, jachapma, mreynolds, spichugi, tbordaz, vashirov
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---Flags: fedora-admin-xmlrpc: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["2c75c766-519b-4ae7-b890-b0fbdc388bef"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-26 08:06:33 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: 2449872    

Description Keith Grant 2026-03-25 15:25:09 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 Viktor Ashirov 2026-03-26 08:06:33 UTC 
flatted is used exclusively by dev-only linting/tooling packages (eslint). It doesn't reach production code. Closing as not a bug.