CVE-2026-11623 · cross-distro fix matrix

CVE-2026-11623: It was discovered that tmux incorrectly handled image cleanup, leading to

Affects 1 Linux release across 1 (distro × package) combinations. First disclosed: 2026-06-09.

CVSS v3:MEDIUM · 4.5(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-11623 has a known fix. Run the listed command on that distro to remediate.

Ubuntu resolute

Source: Ubuntu USN

tmux→ fixed in3.6a-2ubuntu0.1USN-8428-1

sudo apt-get install --only-upgrade -y tmux

Are YOU affected by CVE-2026-11623?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

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