Bug 2484567

Summary: CVE-2026-26825 libxls: libxls: Information disclosure via use of uninitialized memory [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: libxlsAssignee: Elliott Sales de Andrade <quantum.analyst>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: rawhideCC: quantum.analyst
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["8e5e947e-93bb-45cd-9863-2e3fe5ca5862"]}
Fixed In Version: libxls-1.6.3-9.fc46 libxls-1.6.3-9.fc45 libxls-1.6.3-9.fc44 libxls-1.6.3-5.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-08-15 21:05:28 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: 2484545    

Description Jon Moroney 2026-06-03 22:32:15 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 2026-08-15 20:37:11 UTC
FEDORA-2026-dabb47ed4a (libxls-1.6.3-9.fc46) has been submitted as an update to Fedora 46.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-dabb47ed4a

Comment 2 Fedora Update System 2026-08-15 20:38:12 UTC
FEDORA-2026-914d7851ae (libxls-1.6.3-9.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-914d7851ae

Comment 3 Fedora Update System 2026-08-15 21:05:28 UTC
FEDORA-2026-dabb47ed4a (libxls-1.6.3-9.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 2026-08-15 21:05:34 UTC
FEDORA-2026-914d7851ae (libxls-1.6.3-9.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-08-16 02:34:36 UTC
FEDORA-2026-73af37bdd0 (libxls-1.6.3-9.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-73af37bdd0

Comment 6 Fedora Update System 2026-08-16 02:34:36 UTC
FEDORA-2026-5dace9d06e (libxls-1.6.3-5.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5dace9d06e

Comment 7 Fedora Update System 2026-08-17 01:30:08 UTC
FEDORA-2026-73af37bdd0 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-2026-73af37bdd0`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-73af37bdd0

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

Comment 8 Fedora Update System 2026-08-17 01:49:46 UTC
FEDORA-2026-5dace9d06e 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-2026-5dace9d06e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5dace9d06e

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

Comment 9 Fedora Update System 2026-08-25 01:01:10 UTC
FEDORA-2026-73af37bdd0 (libxls-1.6.3-9.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-08-25 01:15:09 UTC
FEDORA-2026-5dace9d06e (libxls-1.6.3-5.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.