# screen 4.9.0-1ubuntu0.1: screen 4.9.0-1ubuntu0.1 for Ubuntu 22.04.1 LTS (jammy)

screen 4.9.0-1ubuntu0.1, released May 7, 2025, fixes 4 CVEs in screen. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-screen-4.9.0-1ubuntu0.1
- Platform: Linux
- Released: May 7, 2025
- Priority: Routine (Closes 4 CVEs, none high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [screen](https://patchblox.com/security/data/product/linux/screen.md) | Ubuntu 22.04.1 LTS (jammy) | 4.9.0-1ubuntu0.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-24626](https://patchblox.com/security/data/cve/CVE-2023-24626.md) | Routine | screen: socket.c in GNU Screen through 4.9.0, when installed setuid or setgid (the default on platforms such as Arch Linux an... | 6.5 | 0.0054 |  |
| [CVE-2025-46802](https://patchblox.com/security/data/cve/CVE-2025-46802.md) | Routine | screen: temporary `chmod` of a user's TTY to mode 0666 when attempting to attach to a multi-user session | n/a | 0.0024 |  |
| [CVE-2025-46804](https://patchblox.com/security/data/cve/CVE-2025-46804.md) | Routine | screen: A minor information leak when running Screen with setuid-root privileges allows unprivileged users to deduce informat... | n/a | 0.0023 |  |
| [CVE-2025-46805](https://patchblox.com/security/data/cve/CVE-2025-46805.md) | Routine | screen: Screen version 5.0.0 and older version 4 releases have  a TOCTOU race potentially allowing to send SIGHUP, SIGCONT to... | n/a | 0.0018 |  |

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Data as of 2026-11-12T07:53:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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