Bug 2457894 - CVE-2026-39977 flatpak-builder: path traversal leading to arbitrary file read on host when installing licence files [fedora-all]
Summary: CVE-2026-39977 flatpak-builder: path traversal leading to arbitrary file read...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: flatpak-builder
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: David King
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["a872f146-4e0e-44f3-8000-2...
Depends On:
Blocks: CVE-2026-39977
TreeView+ depends on / blocked
 
Reported: 2026-04-13 16:19 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-04-25 01:45 UTC (History)
3 users (show)

Fixed In Version: flatpak-builder-1.4.8-1.fc43 flatpak-builder-1.4.8-1.fc42 flatpak-builder-1.4.8-1.fc44
Clone Of:
Environment:
Last Closed: 2026-04-24 00:54:22 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-04-13 16:19:54 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 2026-04-15 02:50:14 UTC
FEDORA-2026-5e62b78a0c (flatpak-builder-1.4.8-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5e62b78a0c

Comment 2 Fedora Update System 2026-04-15 02:53:34 UTC
FEDORA-2026-25ff246b4f (flatpak-builder-1.4.8-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-25ff246b4f

Comment 3 Fedora Update System 2026-04-15 02:59:34 UTC
FEDORA-2026-631b9d535c (flatpak-builder-1.4.8-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-631b9d535c

Comment 4 Fedora Update System 2026-04-16 01:38:55 UTC
FEDORA-2026-5e62b78a0c 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-2026-5e62b78a0c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5e62b78a0c

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

Comment 5 Fedora Update System 2026-04-16 02:03:53 UTC
FEDORA-2026-25ff246b4f 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-2026-25ff246b4f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-25ff246b4f

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

Comment 6 Fedora Update System 2026-04-16 04:02:17 UTC
FEDORA-2026-631b9d535c 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-2026-631b9d535c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-631b9d535c

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

Comment 7 Fedora Update System 2026-04-24 00:54:22 UTC
FEDORA-2026-25ff246b4f (flatpak-builder-1.4.8-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-04-24 01:06:28 UTC
FEDORA-2026-631b9d535c (flatpak-builder-1.4.8-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-04-25 01:45:51 UTC
FEDORA-2026-5e62b78a0c (flatpak-builder-1.4.8-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.


Note You need to log in before you can comment on or make changes to this bug.