Bug 2427817

Summary: CVE-2026-22184 btrfs-efi: zlib: Arbitrary code execution via buffer overflow in untgz utility [fedora-43]
Product: [Fedora] Fedora Reporter: Sandipan Roy <saroy>
Component: btrfs-efiAssignee: Michel Lind <michel>
Status: CLOSED NOTABUG QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: 43CC: btrfs-sig, davide, ngompa13
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["22c8540b-4d7b-47e6-940f-04ad54ca4373"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-27 16:45:44 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: 2427688, 2443016    

Description Sandipan Roy 2026-01-08 06:54:14 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams
Comment 1 Michel Lind 2026-03-27 16:45:44 UTC 
The tool affected by the CVE is not shipped by this source RPM's binary subpackages