Bug 2487530 - CVE-2026-11623 tmux: tmux: Use-after-free vulnerability [fedora-all]
Summary: CVE-2026-11623 tmux: tmux: Use-after-free vulnerability [fedora-all]
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: tmux
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Sven Lankes
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["e991406e-f5b5-444e-9bd5-3...
Depends On:
Blocks: CVE-2026-11623
TreeView+ depends on / blocked
 
Reported: 2026-06-10 13:58 UTC by Avinash Hanwate
Modified: 2026-07-12 00:59 UTC (History)
3 users (show)

Fixed In Version: tmux-3.7-2.fc44 tmux-3.7-3.fc43 tmux-3.7b-2.fc44 tmux-3.7b-3.fc43
Clone Of:
Environment:
Last Closed: 2026-07-10 00:52:26 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Avinash Hanwate 2026-06-10 13:58:42 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 Filipe Rosset 2026-06-26 15:03:40 UTC
CVE-2026-11623 is already fixed in rawhide/F44, I'm pushing tmux-3.6b to F43 also to close this one there.

Comment 2 Fedora Update System 2026-06-26 17:39:04 UTC
FEDORA-2026-8a9e99315d (tmux-3.6b-5.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-8a9e99315d

Comment 3 Fedora Update System 2026-06-26 17:39:04 UTC
FEDORA-2026-50308b152f (tmux-3.6b-6.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-50308b152f

Comment 4 Fedora Update System 2026-06-27 01:45:27 UTC
FEDORA-2026-50308b152f 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-2026-50308b152f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-50308b152f

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

Comment 5 Fedora Update System 2026-06-27 01:58:38 UTC
FEDORA-2026-8a9e99315d 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-2026-8a9e99315d`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-8a9e99315d

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

Comment 6 Fedora Update System 2026-06-28 19:47:47 UTC
FEDORA-2026-97e03de9c2 (tmux-3.7-2.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-97e03de9c2

Comment 7 Fedora Update System 2026-06-28 19:47:49 UTC
FEDORA-2026-b53112053c (tmux-3.7-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-b53112053c

Comment 8 Fedora Update System 2026-06-28 20:39:58 UTC
FEDORA-2026-5060f8da27 (tmux-3.7-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-5060f8da27

Comment 9 Fedora Update System 2026-06-28 20:39:58 UTC
FEDORA-2026-20eaa64d75 (tmux-3.7-2.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-20eaa64d75

Comment 10 Fedora Update System 2026-06-29 01:31:27 UTC
FEDORA-2026-20eaa64d75 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-2026-20eaa64d75`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-20eaa64d75

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

Comment 11 Fedora Update System 2026-06-29 01:47:37 UTC
FEDORA-2026-5060f8da27 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-2026-5060f8da27`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-5060f8da27

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

Comment 12 Fedora Update System 2026-07-09 20:02:25 UTC
FEDORA-2026-f5dd9fb83f (tmux-3.7b-2.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-f5dd9fb83f

Comment 13 Fedora Update System 2026-07-09 20:02:26 UTC
FEDORA-2026-7fa12630d5 (tmux-3.7b-3.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-7fa12630d5

Comment 14 Fedora Update System 2026-07-10 00:52:26 UTC
FEDORA-2026-20eaa64d75 (tmux-3.7-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 15 Fedora Update System 2026-07-10 01:05:40 UTC
FEDORA-2026-5060f8da27 (tmux-3.7-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 16 Fedora Update System 2026-07-10 01:27:59 UTC
FEDORA-2026-f5dd9fb83f 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-f5dd9fb83f`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f5dd9fb83f

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

Comment 17 Fedora Update System 2026-07-10 01:44:35 UTC
FEDORA-2026-7fa12630d5 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-2026-7fa12630d5`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-7fa12630d5

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

Comment 18 Fedora Update System 2026-07-11 01:12:15 UTC
FEDORA-2026-f5dd9fb83f (tmux-3.7b-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 19 Fedora Update System 2026-07-12 00:59:45 UTC
FEDORA-2026-7fa12630d5 (tmux-3.7b-3.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.


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