Bug 2515059

Summary: CVE-2026-41178 apptainer: OpenTelemetry-Go: Denial of Service via oversized baggage headers [fedora-all]
Product: [Fedora] Fedora Reporter: Praise Ogwuche <pogwuche>
Component: apptainerAssignee: Dave Dykstra <dwd>
Status: ASSIGNED --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: rawhideCC: dwd, go-sig
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["8af1214d-5e3b-4d7d-9f73-4565cc41f9fd"]}
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 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: 2484830    

Description Praise Ogwuche 2026-08-13 04:10:00 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.

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Versions 1.41.0 and 1.43.0 removed raw-length rejection and it causes `Parse` to process arbitrarily large/invalid baggage headers and log errors, enabling DoS via oversized inputs. Versions 1.42.0 and 1.44.0 fix the issue.
Comment 1 Dave Dykstra 2026-08-13 16:35:17 UTC 
apptainer is indeed using version 1.43.0.  I'm not sure if it is affected by the vulnerability since it is included indirectly through github.com/moby/moby/client.  Include fix in in next release.