CVE catalog
CVE-2025-23395
screen: CVE-2025-23395
- Severity
- Medium · CVSS 6.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.21% · Oct 27, 2026
Screen 5.0.0 when it runs with setuid-root privileges does not drop privileges while operating on a user supplied path. This allows unprivileged users to create files in arbitrary locations with `root` ownership, the invoking user's (real) group ownership and file mode 0644. All data written to the Screen PTY will be logged into this file, allowing to escalate to root privileges
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | screen | sid | 5.0.2-1 | not affected |
| Debian | screen | forky | 5.0.2-1 | not affected |
| Debian | screen | trixie | 4.9.1-3 | not affected |
| Debian | screen | bookworm | 4.9.0-4 | not affected |
| Alpine | screen | 3.21 | 5.0.1-r0 | fixed |
| Alpine | screen | 3.22 | 5.0.1-r0 | fixed |
| Alpine | screen | 3.23 | 5.0.1-r0 | fixed |
| Alpine | screen | 3.24 | 5.0.1-r0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | screen | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | screen | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | screen | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | screen | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Alpine | screen | apk | 3.21 | 5.0.1-r0 | Not reported | ALPINE-CVE-2025-23395 | Not reported |
| Alpine | screen | apk | 3.22 | 5.0.1-r0 | Not reported | ALPINE-CVE-2025-23395 | Not reported |
| Alpine | screen | apk | 3.23 | 5.0.1-r0 | Not reported | ALPINE-CVE-2025-23395 | Not reported |
| Alpine | screen | apk | 3.24 | 5.0.1-r0 | Not reported | ALPINE-CVE-2025-23395 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [screen]Not affected
Details (2)
4.9.0-4· amd64 · bookwormNot affected
dsa · screen · debian · bookworm
4.9.0-4· arm64 · bookwormNot affected
dsa · screen · debian · bookworm
Observed:
References
- [https://osv.dev/vulnerability/ALPINE-CVE-2025-23395]
- [https://security-tracker.debian.org/tracker/CVE-2025-23395]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-23395.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1034.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]