A buffer overflow was discovered in the URL-authentication backend of the Icecast before…
Priority HIGH 66CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4. If the backend is enabled, then any malicious HTTP client can send a request for that specific resource including a crafted header, leading to denial of service and potentially remote code execution.
Why it matters now
EPSS 0.48944 98th 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-2018-18820
- 2026-10-03 Alias added: GHSA-w249-6p6f-4gjq
References
Sources
- CVE-2018-18820 · CVE Program
- CVE-2018-18820 · NVD
- FIRST EPSS
- GHSA-w249-6p6f-4gjq · GitHub Advisory Database · CC BY 4.0
- CVE-2018-18820 · Red Hat security data · CC BY 4.0
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