Description
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."
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | icecast2 | 2.4.2-1 | — |
| Debian 12 | icecast2 | 2.4.2-1 | — |
| Debian 8 | icecast2 | 2.4.0-1.1+deb8u1 | DSA-3239-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | icecast2 | 2.3.3-2ubuntu1.14.04.1 | — |
Advisories 1
- DSA-3239-1 icecast2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- FEDORA-2015-13077 vendor-advisory
- FEDORA-2015-13106 vendor-advisory
- openSUSE-SU-2015:0728 vendor-advisory
- GLSA-201508-03 vendor-advisory
- FEDORA-2015-13083 vendor-advisory
- [Icecast-dev] 20150408 Icecast 2.4.2 - security release mailing-list
- https://trac.xiph.org/changeset/27abfbbd688df3e3077b535997330aa06603250f/icecast-server
- https://trac.xiph.org/ticket/2191
- [oss-security] 20150408 CVE Request for Icecast 2.3.3, 2.4.0, 2.4.1, fixed in 2.4.2 mailing-list
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=782120
- 73965 vdb-entry
- DSA-3239 vendor-advisory
- [oss-security] 20150408 Re: CVE Request for Icecast 2.3.3, 2.4.0, 2.4.1, fixed in 2.4.2 mailing-list