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tmux: Unfreezing Memory Can Crash the Program
published 3 months ago
Summary
The tmux package contains a security flaw that could cause the program to crash when dealing with images. This could potentially be exploited by an attacker to disrupt the normal functioning of the system. To fix this issue, update your tmux package to the latest version.
What to do
- Update mageia tmux to version 3.6b-1.mga9.
- Update mageia tmux to version 3.7b-1.mga10.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Mageia:9 | mageia | tmux |
< 3.6b-1.mga9 Fix: upgrade to 3.6b-1.mga9
|
| Mageia:10 | mageia | tmux |
< 3.7b-1.mga10 Fix: upgrade to 3.7b-1.mga10
|
Original advisory text
Updated tmux packages fix a security vulnerability
The updated package fixes a security vulnerability:
tmux image.c image_free use after free. (CVE-2026-11623)
tmux image.c image_free use after free. (CVE-2026-11623)
References
- https://advisories.mageia.org/MGASA-2026-0255.html Vendor Advisory
- https://bugs.mageia.org/show_bug.cgi?id=35707 Third Party Advisory
- https://lists.opensuse.org/archives/list/[email protected]/me... URL
- https://www.openwall.com/lists/oss-security/2026/06/15/7 URL
- https://ubuntu.com/security/notices/USN-8428-1 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]... URL
Timeline
Published15 Jul 2026
Updated15 Jul 2026
First seen15 Jul 2026
Sources
MGASA-2026-0255 · OSV
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