Icecast before 2.4.2, when a stream_auth handler is defined for URL authentication, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a request without login credentials, as demonstrated by a request to "admin/killsource?mount=/test.ogg."
Conclusion & alert: CVE-2015-3026 is rated High Exploit Risk (61.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 4.34%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 15.32% | 4.34% | -10.98% |
| 2 | 2025-05-10 | 11.63% | 15.32% | +3.69% |
| 3 | 2025-03-30 | — | 11.63% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-3026 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-2015-3026 |
gentoo
|
normal | CVE-2015-3026: 1 GLSA(s) (201508-03), 1 atom(s) (net-misc/icecast); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-3026 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2015-3026/ |
ubuntu
|
medium | CVE-2015-3026 medium priority: Ubuntu including 1 source packages (icecast2), 12 status rows across 12 suites (artful, bionic, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 6, released 4, not-affected 2. | https://ubuntu.com/security/CVE-2015-3026 |
: <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a>
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| xiph | icecast | <= 2.4.1 | cpe:2.3:a:xiph:icecast:*:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163859.html | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164061.html | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/164074.html | |
| http://lists.opensuse.org/opensuse-updates/2015-04/msg00030.html | Third Party Advisory |
| http://lists.xiph.org/pipermail/icecast-dev/2015-April/002460.html | Vendor Advisory |
| http://www.debian.org/security/2015/dsa-3239 | Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/04/08/11 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/04/08/8 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/73965 | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782120 | Issue Tracking |
| https://security.gentoo.org/glsa/201508-03 | |
| https://trac.xiph.org/changeset/27abfbbd688df3e3077b535997330aa06603250f/icecast-server | Issue Tracking |
| https://trac.xiph.org/ticket/2191 | Exploit Issue Tracking |