Bug 2458227 - CVE-2026-4786 python3.9: Python: Arbitrary code execution via command injection in webbrowser.open() API [fedora-all]
Summary: CVE-2026-4786 python3.9: Python: Arbitrary code execution via command injecti...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: python3.9
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Charalampos Stratakis
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["f6118815-adda-4e9e-881a-9...
Depends On:
Blocks: CVE-2026-4786
TreeView+ depends on / blocked
 
Reported: 2026-04-14 15:49 UTC by Marco Benatto
Modified: 2026-04-30 01:29 UTC (History)
7 users (show)

Fixed In Version: python3.9-3.9.25-9.fc45 python3.9-3.9.25-9.fc44 python3.9-3.9.25-9.fc43 python3.9-3.9.25-9.fc42
Clone Of:
Environment:
Last Closed: 2026-04-20 16:48:02 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Marco Benatto 2026-04-14 15:49:43 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 2 Fedora Update System 2026-04-20 16:43:51 UTC
FEDORA-2026-77d74cf57f (python3.9-3.9.25-9.fc45) has been submitted as an update to Fedora 45.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-77d74cf57f

Comment 3 Fedora Update System 2026-04-20 16:48:02 UTC
FEDORA-2026-77d74cf57f (python3.9-3.9.25-9.fc45) has been pushed to the Fedora 45 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 4 Fedora Update System 2026-04-20 21:06:00 UTC
FEDORA-2026-85cf3694d8 (python3.9-3.9.25-9.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-85cf3694d8

Comment 5 Fedora Update System 2026-04-20 21:06:39 UTC
FEDORA-2026-7986d7f994 (python3.9-3.9.25-9.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-7986d7f994

Comment 6 Fedora Update System 2026-04-20 21:07:25 UTC
FEDORA-2026-60a694a385 (python3.9-3.9.25-9.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-60a694a385

Comment 7 Fedora Update System 2026-04-22 10:02:29 UTC
FEDORA-2026-7986d7f994 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-2026-7986d7f994`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-7986d7f994

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

Comment 8 Fedora Update System 2026-04-22 11:05:32 UTC
FEDORA-2026-60a694a385 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-2026-60a694a385`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-60a694a385

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

Comment 9 Fedora Update System 2026-04-22 11:24:57 UTC
FEDORA-2026-85cf3694d8 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-2026-85cf3694d8`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-85cf3694d8

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

Comment 10 Fedora Update System 2026-04-30 00:53:54 UTC
FEDORA-2026-85cf3694d8 (python3.9-3.9.25-9.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 11 Fedora Update System 2026-04-30 01:20:46 UTC
FEDORA-2026-7986d7f994 (python3.9-3.9.25-9.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 12 Fedora Update System 2026-04-30 01:29:58 UTC
FEDORA-2026-60a694a385 (python3.9-3.9.25-9.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.


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