Bug 2439119

Summary: CVE-2026-2369 libsoup3: libsoup: Buffer overread due to integer underflow when handling zero-length resources [fedora-42]
Product: [Fedora] Fedora Reporter: Michal Findra <mfindra>
Component: libsoup3Assignee: Gwyn Ciesla <gwync>
Status: CLOSED CURRENTRELEASE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: gnome-sig, gwync, mcrha
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["b798b1f7-dea4-4b64-a929-40933f88607c"]}
Fixed In Version: libsoup3-3.6.6-2.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-03-19 14:18:51 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: 2439091    

Description Michal Findra 2026-02-11 20:35:34 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 14:18:51 UTC 
Filled upstream as https://gitlab.gnome.org/GNOME/libsoup/-/issues/498, part of the 3.6.6 through https://gitlab.gnome.org/GNOME/libsoup/-/commit/af4bde990270b825b7d110a495cc65de9e2ec32f