Screen version 5.0.0 and older version 4 releases have a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to privileged processes when installed setuid-root.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade screen | Aug 8, 2025 | May 26, 2025 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 26, 2025 |
| Debian | — | Upgrade screen | May 15, 2025 | May 15, 2025 |
| Freebsd | — | Upgrade screen | Dec 10, 2025 | May 21, 2025 |
| Gentoo Linux | — | Upgrade app-misc/screen. | Aug 26, 2026 | Aug 26, 2026 |
| Huawei Euleros 2_0_sp10 | — | Upgrade screen | Sep 15, 2025 | Jul 18, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade screen | Aug 13, 2025 | Jul 18, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade screen | Jul 21, 2025 | May 26, 2025 |
| Huawei Euleros 2_0_sp13 | — | Upgrade screen | Aug 13, 2025 | Jul 18, 2025 |
| Redhat_linux | — | No solution exists | Jul 31, 2025 | May 12, 2025 |
| Ubuntu | — | Upgrade screen | Jan 27, 2026 | May 26, 2025 |
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