Bug 2433838

Summary: CVE-2026-1536 libsoup3: libsoup: HTTP header injection or response splitting via CRLF injection in Content-Disposition header [fedora-all]
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": ["892c2a2c-0e94-4421-8d44-59bd3116d4bf"]}
Fixed In Version: libsoup3-3.6.6-2.fc42 libsoup3-3.6.6-1.fc43 libsoup3-3.6.6-1.fc44 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-19 14:06:23 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: 2433834    

Description Abhishek Raj 2026-01-28 14:06:19 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 14:06:23 UTC 
Fixed in 3.6.6 by https://gitlab.gnome.org/GNOME/libsoup/-/commit/7609c3095f815ea93bdbaeaa76b433ab7d1fb922 which is a cherry-pick of the changes for the https://gitlab.gnome.org/GNOME/libsoup/-/issues/486