The leafnode server in leafnode 1.9.20 to 1.9.29 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 leafnode server in leafnode 1.9.20 to 1.9.29 allows remote attackers to cause a denial of service (infinite loop) when leafnode requests a cross-posted article to one group whose name is a prefix of another group.
Why it matters now
EPSS 0.02333 83rd 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 · 10
| 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-1661
- 2026-10-03 Alias added: GHSA-vxpv-xpqv-mxm8
References
More Leafnode vulnerabilities
- TI-2003-00687 The fetchnews NNTP client in leafnode 1.9.3 to 1.9.41 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-2002-1661 · CVE Program
- CVE-2002-1661 · NVD
- FIRST EPSS
- GHSA-vxpv-xpqv-mxm8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences