Bug 2458017 - CVE-2026-6100 python3.15: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules [fedora-all]
Summary: CVE-2026-6100 python3.15: Python: Arbitrary code execution or information dis...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: python3.15
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Python Maintainers
QA Contact:
URL:
Whiteboard: {"flaws": ["6f18460e-6b6d-4f63-9616-8...
Depends On:
Blocks: CVE-2026-6100
TreeView+ depends on / blocked
 
Reported: 2026-04-13 20:44 UTC by Jon Moroney
Modified: 2026-05-23 16:00 UTC (History)
4 users (show)

Fixed In Version: python3.15-3.15.0~b1-1.fc44 python3.15-3.15.0~b1-1.fc43 python3.15-3.15.0~b1-1.fc42
Clone Of:
Environment:
Last Closed: 2026-05-23 00:56:47 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Jon Moroney 2026-04-13 20:44:08 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 2026-05-13 14:05:37 UTC
FEDORA-2026-e2ada1fa1e (python3.15-3.15.0~b1-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-e2ada1fa1e

Comment 2 Fedora Update System 2026-05-13 14:06:28 UTC
FEDORA-2026-e7dc1a8950 (python3.15-3.15.0~b1-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-e7dc1a8950

Comment 3 Fedora Update System 2026-05-13 15:24:01 UTC
FEDORA-2026-2ee2d7abd5 (python3.15-3.15.0~b1-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2ee2d7abd5

Comment 4 Fedora Update System 2026-05-15 03:27:52 UTC
FEDORA-2026-2ee2d7abd5 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-2026-2ee2d7abd5`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-2ee2d7abd5

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

Comment 5 Fedora Update System 2026-05-15 03:42:32 UTC
FEDORA-2026-e2ada1fa1e 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-e2ada1fa1e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e2ada1fa1e

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

Comment 6 Fedora Update System 2026-05-15 04:05:25 UTC
FEDORA-2026-e7dc1a8950 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-e7dc1a8950`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-e7dc1a8950

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

Comment 7 Fedora Update System 2026-05-23 00:56:47 UTC
FEDORA-2026-2ee2d7abd5 (python3.15-3.15.0~b1-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-05-23 15:48:09 UTC
FEDORA-2026-e2ada1fa1e (python3.15-3.15.0~b1-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-05-23 16:00:43 UTC
FEDORA-2026-e7dc1a8950 (python3.15-3.15.0~b1-1.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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