Bug 2453419 - CVE-2026-27854 dnsdist: DNSdist: Denial of Service due to use-after-free vulnerability in Lua [fedora-all]
Summary: CVE-2026-27854 dnsdist: DNSdist: Denial of Service due to use-after-free vuln...
Keywords:
Status: ON_QA
Alias: None
Product: Fedora
Classification: Fedora
Component: dnsdist
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Sander Hoentjen
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["243f38e2-c9aa-4ad0-ab4b-2...
Depends On:
Blocks: CVE-2026-27854
TreeView+ depends on / blocked
 
Reported: 2026-03-31 16:21 UTC by Sandipan Roy
Modified: 2026-04-02 02:08 UTC (History)
2 users (show)

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


Attachments (Terms of Use)

Description Sandipan Roy 2026-03-31 16:21:27 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 2026-04-01 14:53:01 UTC
FEDORA-2026-6cae4711b3 (dnsdist-2.0.3-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-6cae4711b3

Comment 2 Fedora Update System 2026-04-01 14:53:25 UTC
FEDORA-2026-637c11815f (dnsdist-1.9.12-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-637c11815f

Comment 3 Fedora Update System 2026-04-02 01:28:43 UTC
FEDORA-2026-519446405a 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-2026-519446405a`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-519446405a

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

Comment 4 Fedora Update System 2026-04-02 01:44:08 UTC
FEDORA-2026-6cae4711b3 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-2026-6cae4711b3`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6cae4711b3

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

Comment 5 Fedora Update System 2026-04-02 02:08:59 UTC
FEDORA-2026-637c11815f 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-2026-637c11815f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-637c11815f

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


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