CVE-2018-18820
A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 48.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 48.94% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- xiph/icecast · debian/debian linux
- Source
- cve@mitre.org
EPSS moved from 41.9% on 21 September 2026 to 48.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.openwall.com/lists/oss-security/2018/11/01/3Mailing List, Patch, Third Party Advisory
- http://www.securitytracker.com/id/1042019Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00033.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201811-09Mitigation, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4333Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/01/3Mailing List, Patch, Third Party Advisory
- http://www.securitytracker.com/id/1042019Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00033.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201811-09Mitigation, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4333Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.