Bug 2492208 - CVE-2026-35025 proftpd: ACL bypass via /proc/self/root path prefix in RNFR [fedora-all]
Summary: CVE-2026-35025 proftpd: ACL bypass via /proc/self/root path prefix in RNFR [f...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: proftpd
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Paul Howarth
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["39e0f1bf-f6ff-4b12-836b-a...
Depends On:
Blocks: CVE-2026-35025
TreeView+ depends on / blocked
 
Reported: 2026-06-24 14:31 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-07-30 01:16 UTC (History)
1 user (show)

Fixed In Version: proftpd-1.3.9c-3.fc43 proftpd-1.3.9c-3.fc44
Clone Of:
Environment:
Last Closed: 2026-07-30 00:59:59 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-06-24 14:31:20 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 Paul Howarth 2026-06-24 15:07:27 UTC
Note that the default configuration for ProFTPD in Fedora includes "DefaultRoot ~ !adm", which mitigates this issue for any user not called "adm".

Comment 2 Fedora Update System 2026-07-21 17:06:31 UTC
FEDORA-2026-d314ce6051 (proftpd-1.3.9c-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-d314ce6051

Comment 3 Fedora Update System 2026-07-21 17:06:31 UTC
FEDORA-2026-2994824419 (proftpd-1.3.9c-3.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2994824419

Comment 4 Fedora Update System 2026-07-22 01:43:44 UTC
FEDORA-2026-2994824419 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-2026-2994824419`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-2994824419

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

Comment 5 Fedora Update System 2026-07-22 01:58:03 UTC
FEDORA-2026-d314ce6051 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-d314ce6051`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-d314ce6051

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

Comment 6 Fedora Update System 2026-07-30 00:59:59 UTC
FEDORA-2026-d314ce6051 (proftpd-1.3.9c-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2026-07-30 01:16:12 UTC
FEDORA-2026-2994824419 (proftpd-1.3.9c-3.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.


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