CVE-2011-4612

icecast before 2.3.3 allows remote attackers to inject control characters such as newlines into the error loc (error.log) via a crafted URL.

Published: 2012-11-20 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4612 is rated Low Risk (39.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.37%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-4612

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.78% 0.37% -0.41%
2 2025-03-29 0.37% 0.78% +0.41%
3 2025-03-17 0.37%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4612

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-4612

OS Trackers for CVE-2011-4612

vendor priority summary link
debian not yet assigned CVE-2011-4612 not yet assigned priority: Debian including 1 source packages (icecast2), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2011-4612
ubuntu low CVE-2011-4612 low priority: Ubuntu including 1 source packages (icecast2), 17 status rows across 17 suites (hardy, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 8, ignored 7, DNE 1, released 1. https://ubuntu.com/security/CVE-2011-4612

Affected software / configurations for CVE-2011-4612

Vendor Product Version Raw CPE
xiph icecast <= 2.3.2 cpe:2.3:a:xiph:icecast:*:*:*:*:*:*:*:*

References for CVE-2011-4612

cvelogic Threat Intelligence