Bug 2449632

Summary: CVE-2026-32935 nextcloud: phpseclib: Information disclosure via padding oracle timing attack when using AES in CBC mode [fedora-42]
Product: [Fedora] Fedora Reporter: Vipul Nair <vinair>
Component: nextcloudAssignee: Andrew Bauer <zonexpertconsulting>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 42CC: zonexpertconsulting
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["e3547688-278f-4735-a396-3a75de24a153"]}
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 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-07 00:25:21 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: 2449428    

Description Vipul Nair 2026-03-20 15:07:49 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 21:14:12 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 21:14:37 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 18:04:20 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 18:25:02 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 18:33:49 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 18:51:51 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 19:01:29 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 19:10:43 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 00:25:21 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 00:50:43 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 01:10:44 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 01:22:10 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 01:37:19 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.