Race condition in GNU screen 4.0.3 allows local users to create or overwrite arbitrary…
Priority LOW 10CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Race condition in GNU screen 4.0.3 allows local users to create or overwrite arbitrary files via a symlink attack on the /tmp/screen-exchange temporary file.
Why it matters now
EPSS 0.00232 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1215
- 2026-10-03 Alias added: GHSA-4mvv-7x66-vcqx
References
More Gnu Screen vulnerabilities
- TI-2015-05707 The MScrollV function in ansi.c in GNU screen 4.3.1 and earlier does not properly limit… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2009-1215 · CVE Program
- CVE-2009-1215 · NVD
- FIRST EPSS
- GHSA-4mvv-7x66-vcqx · GitHub Advisory Database · CC BY 4.0
- CVE-2009-1215 · Red Hat security data · CC BY 4.0
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