Bug 2390151

Summary: CVE-2025-9300 libsixel: buffer overflow in img2sixel when processing crafted image files [fedora-42]
Product: [Fedora] Fedora Reporter: Guilherme de Almeida Suckevicz <gsuckevi>
Component: libsixelAssignee: Ryan <errornointernet>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: errornointernet
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["aece2e8b-d343-4d7e-9b72-d24c6dbed705"]}
Fixed In Version: libsixel-1.10.5-4.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-09-04 00:50:52 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: 2390086    

Description Guilherme de Almeida Suckevicz 2025-08-21 18:01:21 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.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Fedora Update System 2025-08-26 16:36:09 UTC
FEDORA-2025-691c5cb4f4 (libsixel-1.10.5-4.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-691c5cb4f4

Comment 2 Fedora Update System 2025-08-27 02:08:28 UTC
FEDORA-2025-691c5cb4f4 has been pushed to the Fedora 42 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-691c5cb4f4`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-691c5cb4f4

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

Comment 3 Fedora Update System 2025-09-04 00:50:52 UTC
FEDORA-2025-691c5cb4f4 (libsixel-1.10.5-4.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.