fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite.
Priority LOW 37CWE-59Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
fstream before 1.0.12 is vulnerable to Arbitrary File Overwrite. Extracting tarballs containing a hardlink to a file that already exists in the system, and a file that matches the hardlink, will overwrite the system's file with the contents of the extracted file. The fstream.DirWriter() function is vulnerable.
Why it matters now
EPSS 0.02416 84th percentileScored 2026-11-08
Fix Partial fstream (npm): 1.0.12Red Hat: 4 without a fix
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 |
| — | fstream (npm) | before 1.0.12 | 1.0.12 | Patch available | GHSA-xf7w-r453-m56c |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- fstream (npm) Vendor— Affected before 1.0.12 Fixed in 1.0.12 Patch available GHSA-xf7w-r453-m56c
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:fstream_project:fstream:*:*:*:*:*:node.js:*:* | before 1.0.12 | Vulnerable | Fstream Project |
- cpe:2.3:a:fstream_project:fstream:*:*:*:*:*:node.js:*:* Versions before 1.0.12 Vulnerable ·Fstream Project
Remediation
- Fix · GHSA-xf7w-r453-m56c fstream (npm) Fixed in 1.0.12 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Mobile Application Platform 4 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat Enterprise Linux 8
- Red Hat Software Collections
- Red Hat Virtualization 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13173
- 2026-10-03 Alias added: GHSA-xf7w-r453-m56c
References
Sources
- CVE-2019-13173 · CVE Program
- CVE-2019-13173 · NVD
- FIRST EPSS
- GHSA-xf7w-r453-m56c · GitHub Advisory Database · CC BY 4.0
- CVE-2019-13173 · Red Hat security data · CC BY 4.0
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