Bug 2439563 - CVE-2026-2391 nextcloud: qs's arrayLimit bypass in comma parsing allows denial of service [fedora-42]
Summary: CVE-2026-2391 nextcloud: qs's arrayLimit bypass in comma parsing allows denia...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: nextcloud
Version: 42
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Andrew Bauer
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["4a358cb9-8ba0-450b-a156-3...
Depends On:
Blocks: CVE-2026-2391
TreeView+ depends on / blocked
 
Reported: 2026-02-12 22:15 UTC by Jon Moroney
Modified: 2026-04-07 01:37 UTC (History)
1 user (show)

Fixed In Version: nextcloud-33.0.1-1.el10_1 nextcloud-33.0.1-1.fc43 nextcloud-33.0.1-1.fc42 nextcloud-33.0.1-1.el10_2 nextcloud-33.0.1-1.el10_3
Clone Of:
Environment:
Last Closed: 2026-04-07 00:24:33 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Jon Moroney 2026-02-12 22:15:07 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 2026-03-29 21:13:57 UTC
FEDORA-2026-ca43aa006f (nextcloud-33.0.1-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ca43aa006f

Comment 2 Fedora Update System 2026-03-29 21:14:23 UTC
FEDORA-EPEL-2026-35986c0192 (nextcloud-33.0.1-1.el10_1) has been submitted as an update to Fedora EPEL 10.1.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-35986c0192

Comment 3 Fedora Update System 2026-03-30 18:04:08 UTC
FEDORA-2026-0dc1d7ff6d 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-2026-0dc1d7ff6d`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-0dc1d7ff6d

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

Comment 4 Fedora Update System 2026-03-30 18:24:51 UTC
FEDORA-2026-ca43aa006f 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-ca43aa006f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ca43aa006f

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

Comment 5 Fedora Update System 2026-03-30 18:33:37 UTC
FEDORA-EPEL-2026-35986c0192 has been pushed to the Fedora EPEL 10.1 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-35986c0192

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

Comment 6 Fedora Update System 2026-03-30 18:51:40 UTC
FEDORA-2026-1dcec03247 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-2026-1dcec03247`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-1dcec03247

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

Comment 7 Fedora Update System 2026-03-30 19:01:18 UTC
FEDORA-EPEL-2026-3168beb980 has been pushed to the Fedora EPEL 10.2 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-3168beb980

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

Comment 8 Fedora Update System 2026-03-30 19:10:32 UTC
FEDORA-EPEL-2026-3a5e035c94 has been pushed to the Fedora EPEL 10.3 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-3a5e035c94

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

Comment 9 Fedora Update System 2026-04-07 00:24:33 UTC
FEDORA-EPEL-2026-35986c0192 (nextcloud-33.0.1-1.el10_1) has been pushed to the Fedora EPEL 10.1 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-04-07 00:50:31 UTC
FEDORA-2026-0dc1d7ff6d (nextcloud-33.0.1-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-04-07 01:10:32 UTC
FEDORA-2026-ca43aa006f (nextcloud-33.0.1-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 12 Fedora Update System 2026-04-07 01:21:58 UTC
FEDORA-EPEL-2026-3168beb980 (nextcloud-33.0.1-1.el10_2) has been pushed to the Fedora EPEL 10.2 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 13 Fedora Update System 2026-04-07 01:37:07 UTC
FEDORA-EPEL-2026-3a5e035c94 (nextcloud-33.0.1-1.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository.
If problem still persists, please make note of it in this bug report.


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