Bug 2453191

Summary: CVE-2025-66038 opensc: OpenSC: Memory corruption via improper compact-TLV length validation [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: openscAssignee: Jakub Jelen <jjelen>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: rawhideCC: crypto-team, jjelen, tm, xhanulik
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---Flags: fedora-admin-xmlrpc: mirror+
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["6eefcb71-c091-42e3-a49d-241d5b9fd758"]}
Fixed In Version: opensc-0.27.1-1.fc43 opensc-0.27.1-1.fc42 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-09 03:22:14 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: 2453118    

Description Jon Moroney 2026-03-30 20:46:13 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 2026-03-31 15:08:11 UTC
FEDORA-2026-8c5856afbb (opensc-0.27.1-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-8c5856afbb

Comment 2 Fedora Update System 2026-03-31 16:06:48 UTC
FEDORA-2026-4440b00e25 (opensc-0.27.1-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-4440b00e25

Comment 3 Fedora Update System 2026-04-01 01:28:59 UTC
FEDORA-2026-4440b00e25 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-2026-4440b00e25`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-4440b00e25

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

Comment 4 Fedora Update System 2026-04-01 01:46:13 UTC
FEDORA-2026-8c5856afbb 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-2026-8c5856afbb`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-8c5856afbb

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

Comment 5 Fedora Update System 2026-04-01 18:48:37 UTC
FEDORA-2026-de85b06438 (opensc-0.27.1-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-de85b06438

Comment 6 Fedora Update System 2026-04-02 02:09:27 UTC
FEDORA-2026-de85b06438 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-de85b06438`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-de85b06438

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

Comment 7 Fedora Update System 2026-04-09 03:22:14 UTC
FEDORA-2026-4440b00e25 (opensc-0.27.1-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-10 01:11:37 UTC
FEDORA-2026-de85b06438 (opensc-0.27.1-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.