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Mageia tmux Critical Use After Free Fix CVE-2026-11623 2026-0255

mageia
Calendar Grey July 15, 2026
Dist Mageia Esm H88
Mageia releases 10 and 9 addressed a critical tmux use after free issue. Update to secure your systems now.
Security update

Summary

Description: The updated package fixes a security vulnerability: tmux image.c image_free use after free. (CVE-2026-11623)

References

- https://bugs.mageia.org/show_bug.cgi?id=35707

- https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/message/JVGG2ZBPVOPNK5Y7WPDQEXHRCDE2YTE6/

- https://www.openwall.com/lists/oss-security/2026/06/15/7

- https://ubuntu.com/security/notices/USN-8428-1

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Z334OXN5QPJGUAUI4P3JF4PNWDEWRM25/

- https://www.cve.org/CVERecord?id=CVE-2026-11623

Topics%20covered

Topics Covered

security advisory critical use-after-free Mageia tmux CVE-2026-11623

Resolution

SRPMS

- 10/core/tmux-3.7b-1.mga10

- 9/core/tmux-3.6b-1.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 15 Jul 2026
URL: https://advisories.mageia.org/MGASA-2026-0255.html
Type: security
CVE: CVE-2026-11623

Topics%20covered

Topics Covered

security advisory critical use-after-free Mageia tmux CVE-2026-11623

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