Bug 2467995

Summary: CVE-2026-42146 CImg: CImg Library: Denial of Service via crafted BMP file [fedora-all]
Product: [Fedora] Fedora Reporter: Vipul Nair <vinair>
Component: CImgAssignee: Christopher Meng <i>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: berrange, cheese, i
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["9d7d6553-bbf6-4706-aacc-c30d6f955044"]}
Fixed In Version: CImg-3.7.6-2.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-05-29 01:26:33 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: 2466483    

Description Vipul Nair 2026-05-08 11:10:55 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 josef radinger 2026-05-20 06:43:52 UTC
upstream ticket:
https://github.com/GreycLab/CImg/issues/481

Comment 2 Fedora Update System 2026-05-20 09:31:37 UTC
FEDORA-2026-86596f9cbc (CImg-3.7.6-2.fc43 and gmic-3.7.6-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-86596f9cbc

Comment 3 Fedora Update System 2026-05-21 01:57:33 UTC
FEDORA-2026-86596f9cbc has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-86596f9cbc`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-86596f9cbc

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 4 Fedora Update System 2026-05-29 01:26:33 UTC
FEDORA-2026-86596f9cbc (CImg-3.7.6-2.fc43 and gmic-3.7.6-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.