The fetchnews NNTP client in leafnode 1.9.3 to 1.9.41 allows remote attackers to cause a…
Priority LOW 27Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The fetchnews NNTP client in leafnode 1.9.3 to 1.9.41 allows remote attackers to cause a denial of service (process hang and termination) via certain malformed Usenet news articles that cause fetchnews to hang while waiting for input.
Why it matters now
EPSS 0.01844 79th 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
CPE configurations NVD · 19
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:leafnode:leafnode:1.9.19:*:*:*:*:*:*:* | 1.9.19 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.20:*:*:*:*:*:*:* | 1.9.20 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.21:*:*:*:*:*:*:* | 1.9.21 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.22:*:*:*:*:*:*:* | 1.9.22 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.23:*:*:*:*:*:*:* | 1.9.23 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.24:*:*:*:*:*:*:* | 1.9.24 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.25:*:*:*:*:*:*:* | 1.9.25 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.26:*:*:*:*:*:*:* | 1.9.26 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.27:*:*:*:*:*:*:* | 1.9.27 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.29:*:*:*:*:*:*:* | 1.9.29 | Vulnerable | Leafnode |
- cpe:2.3:a:leafnode:leafnode:1.9.19:*:*:*:*:*:*:* Versions 1.9.19 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.20:*:*:*:*:*:*:* Versions 1.9.20 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.21:*:*:*:*:*:*:* Versions 1.9.21 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.22:*:*:*:*:*:*:* Versions 1.9.22 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.23:*:*:*:*:*:*:* Versions 1.9.23 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.24:*:*:*:*:*:*:* Versions 1.9.24 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.25:*:*:*:*:*:*:* Versions 1.9.25 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.26:*:*:*:*:*:*:* Versions 1.9.26 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.27:*:*:*:*:*:*:* Versions 1.9.27 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.29:*:*:*:*:*:*:* Versions 1.9.29 Vulnerable ·Leafnode
Show 9 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:leafnode:leafnode:1.9.30:*:*:*:*:*:*:* | 1.9.30 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.31:*:*:*:*:*:*:* | 1.9.31 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.35:*:*:*:*:*:*:* | 1.9.35 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.36:*:*:*:*:*:*:* | 1.9.36 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.37:*:*:*:*:*:*:* | 1.9.37 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.38:*:*:*:*:*:*:* | 1.9.38 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.39:*:*:*:*:*:*:* | 1.9.39 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.40:*:*:*:*:*:*:* | 1.9.40 | Vulnerable | Leafnode |
| cpe:2.3:a:leafnode:leafnode:1.9.41:*:*:*:*:*:*:* | 1.9.41 | Vulnerable | Leafnode |
- cpe:2.3:a:leafnode:leafnode:1.9.30:*:*:*:*:*:*:* Versions 1.9.30 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.31:*:*:*:*:*:*:* Versions 1.9.31 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.35:*:*:*:*:*:*:* Versions 1.9.35 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.36:*:*:*:*:*:*:* Versions 1.9.36 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.37:*:*:*:*:*:*:* Versions 1.9.37 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.38:*:*:*:*:*:*:* Versions 1.9.38 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.39:*:*:*:*:*:*:* Versions 1.9.39 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.40:*:*:*:*:*:*:* Versions 1.9.40 Vulnerable ·Leafnode
- cpe:2.3:a:leafnode:leafnode:1.9.41:*:*:*:*:*:*:* Versions 1.9.41 Vulnerable ·Leafnode
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0744
- 2026-10-03 Alias added: GHSA-3fm7-fqp4-4w7j
References
More Leafnode vulnerabilities
- TI-2002-01582 The leafnode server in leafnode 1.9.20 to 1.9.29 allows remote attackers to cause a… CVSS 2.0MEDIUM 5.0
- TI-2005-01375 fetchnews in leafnode 1.9.48 to 1.11.1 allows remote NNTP servers to cause a denial of… CVSS 2.0MEDIUM 5.0
- TI-2004-01941 fetchnews in leafnode 1.9.47 and earlier allows remote attackers to cause a denial of… CVSS 2.0MEDIUM 5.0
- TI-2005-01812 The fetchnews NNTP client in leafnode 1.11.2 and earlier can hang while waiting for input… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2003-0744 · CVE Program
- CVE-2003-0744 · NVD
- FIRST EPSS
- GHSA-3fm7-fqp4-4w7j · GitHub Advisory Database · CC BY 4.0
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