Bug 2433180

Summary: CVE-2026-1467 libsoup3: libsoup: HTTP header injection via specially crafted URLs when an HTTP proxy is configured [fedora-43]
Product: [Fedora] Fedora Reporter: Abhishek Raj <abhraj>
Component: libsoup3Assignee: Gwyn Ciesla <gwync>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: gnome-sig, gwync, mcrha
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["5b09fa6c-1e88-4ef2-b30e-10ac727b8226"]}
Fixed In Version: libsoup3-3.6.6-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-19 14:03:34 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: 2433174    

Description Abhishek Raj 2026-01-27 08:21:56 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 Milan Crha 2026-03-19 14:03:34 UTC 
Fixed in 3.6.6 by https://gitlab.gnome.org/GNOME/libsoup/-/commit/6dfe506618d2d5856618e5c0f85bd93386dc8012 as a cherry-pick of a merge request for the https://gitlab.gnome.org/GNOME/libsoup/-/issues/488