Bug 2460503

Summary: CVE-2026-6843 nano: nano: Format string vulnerability leads to Denial of Service [fedora-all]
Product: [Fedora] Fedora Reporter: Avinash Hanwate <ahanwate>
Component: nanoAssignee: Lukáš Zaoral <lzaoral>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: dwmw2, lzaoral
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["b02ac05d-a251-4854-9e9a-eef46f8f51b4"]}
Fixed In Version: nano-8.7.1-2.fc44 nano-8.5-3.fc43 nano-8.3-4.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-05-03 00:49:10 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: 2460017    

Description Avinash Hanwate 2026-04-22 07:26:54 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 Fedora Update System 2026-04-30 09:21:31 UTC
FEDORA-2026-fbeaecb457 (nano-8.3-4.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-fbeaecb457

Comment 2 Fedora Update System 2026-04-30 09:21:39 UTC
FEDORA-2026-3111ffa11a (nano-8.7.1-2.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-3111ffa11a

Comment 3 Fedora Update System 2026-04-30 09:21:45 UTC
FEDORA-2026-d0a0f1c3d2 (nano-8.5-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d0a0f1c3d2

Comment 4 Fedora Update System 2026-05-01 03:15:48 UTC
FEDORA-2026-3111ffa11a has been pushed to the Fedora 44 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-3111ffa11a`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-3111ffa11a

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

Comment 5 Fedora Update System 2026-05-01 03:45:43 UTC
FEDORA-2026-fbeaecb457 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-2026-fbeaecb457`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-fbeaecb457

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

Comment 6 Fedora Update System 2026-05-01 04:02:51 UTC
FEDORA-2026-d0a0f1c3d2 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-d0a0f1c3d2`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d0a0f1c3d2

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

Comment 7 Fedora Update System 2026-05-03 00:49:10 UTC
FEDORA-2026-3111ffa11a (nano-8.7.1-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-05-07 01:09:03 UTC
FEDORA-2026-d0a0f1c3d2 (nano-8.5-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-05-13 21:26:47 UTC
FEDORA-2026-fbeaecb457 (nano-8.3-4.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.