Bug 2447422

Summary: CVE-2026-31884 freerdp2: FreeRDP has a division-by-zero in ADPCM decoders when `nBlockAlign` is 0 [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: freerdp2Assignee: Neal Gompa <ngompa13>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 45CC: negativo17, ngompa13, oholy, tdawson
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["2947267a-71da-4720-a8bf-5bf7f1e7b429"]}
Fixed In Version: freerdp2-2.11.7-16.fc46 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-09-01 13:15:08 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: 2447385    

Description Jon Moroney 2026-03-13 19:44:24 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 Aoife Moloney 2026-08-17 14:18:38 UTC
This bug appears to have been reported against 'rawhide' during the Fedora Linux 45 development cycle.
Changing version to 45.

Comment 2 Fedora Update System 2026-09-01 13:11:00 UTC
FEDORA-2026-1c0deda1e7 (freerdp2-2.11.7-16.fc46) has been submitted as an update to Fedora 46.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-1c0deda1e7

Comment 3 Fedora Update System 2026-09-01 13:15:08 UTC
FEDORA-2026-1c0deda1e7 (freerdp2-2.11.7-16.fc46) has been pushed to the Fedora 46 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 4 Fedora Update System 2026-09-01 13:26:51 UTC
FEDORA-2026-20b7d49f70 (freerdp2-2.11.7-16.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-20b7d49f70

Comment 5 Fedora Update System 2026-09-01 13:27:36 UTC
FEDORA-2026-d91338eea8 (freerdp2-2.11.7-16.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d91338eea8

Comment 6 Fedora Update System 2026-09-01 13:27:43 UTC
FEDORA-2026-3fe3e3ae10 (freerdp2-2.11.7-16.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-3fe3e3ae10

Comment 7 Fedora Update System 2026-09-02 01:13:54 UTC
FEDORA-2026-d91338eea8 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-d91338eea8`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d91338eea8

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

Comment 8 Fedora Update System 2026-09-02 02:03:13 UTC
FEDORA-2026-3fe3e3ae10 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-2026-3fe3e3ae10`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-3fe3e3ae10

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

Comment 9 Fedora Update System 2026-09-02 02:23:05 UTC
FEDORA-2026-20b7d49f70 has been pushed to the Fedora 45 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-20b7d49f70`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-20b7d49f70

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