Bug 2492027 - CVE-2026-56117 dhcpcd: dhcpcd: Local heap use-after-free vulnerability leads to denial of service. [fedora-all]
Summary: CVE-2026-56117 dhcpcd: dhcpcd: Local heap use-after-free vulnerability leads ...
Keywords:
Status: ON_QA
Alias: None
Product: Fedora
Classification: Fedora
Component: dhcpcd
Version: 45
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Petr Menšík
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["e9b4e7fc-02ab-4264-b9d7-1...
Depends On:
Blocks: CVE-2026-56117
TreeView+ depends on / blocked
 
Reported: 2026-06-23 22:32 UTC by Ganesh
Modified: 2026-10-02 02:52 UTC (History)
3 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Ganesh 2026-06-23 22:32:13 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 Aoife Moloney 2026-08-17 14:58:02 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 2026-10-01 07:52:41 UTC
FEDORA-2026-f6c24b91ee (dhcpcd-10.5.2-1.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f6c24b91ee

Comment 3 Fedora Update System 2026-10-01 07:54:11 UTC
FEDORA-2026-c39845b961 (dhcpcd-10.5.2-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-c39845b961

Comment 4 Fedora Update System 2026-10-01 07:55:51 UTC
FEDORA-2026-cf9ac55adc (dhcpcd-10.5.2-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-cf9ac55adc

Comment 5 Fedora Update System 2026-10-02 02:16:59 UTC
FEDORA-2026-cf9ac55adc 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-cf9ac55adc`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-cf9ac55adc

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

Comment 6 Fedora Update System 2026-10-02 02:36:12 UTC
FEDORA-2026-f6c24b91ee 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-f6c24b91ee`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f6c24b91ee

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

Comment 7 Fedora Update System 2026-10-02 02:52:22 UTC
FEDORA-2026-c39845b961 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-c39845b961`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-c39845b961

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


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