CVE-2014-9091: Icecast before 2.4.0 does not change the supplementary group privileges when <changeowner> is configured, whic

Q: How do I fix CVE-2014-9091?

icecast: upgrade to newer than 2.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2014-9091 being exploited?

CVE-2014-9091 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-9091 affect?

CVE-2014-9091 affects icecast. Severity is medium (CVSS 4.6). Icecast before 2.4.0 does not change the supplementary group privileges when is configured, which allows local users to gain privileges via unspecified vectors.

Routine

MEDIUM 4.6UPGRADE

CVE-2014-9091 is a medium-severity flaw (CVSS 4.6) affecting icecast. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Icecast before 2.4.0 does not change the supplementary group privileges when <changeowner> is configured, which allows local users to gain privileges via unspecified vectors.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-264
Published	2014-12-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: icecast

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-12-10 15:59 UTCPublished CVE record published
2026-06-17 00:17 UTCUpdated Record last modified

icecast icecast UPGRADE

Affected: <= 2.3.3

Fixed in: newer than 2.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy icecast || rpm -q icecast || icecast --version

2. UPGRADE to newer than 2.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade icecast

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade icecast

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-9091?

icecast: upgrade to newer than 2.3.3. Exact commands for each OS are on this page.

Is CVE-2014-9091 being exploited?

CVE-2014-9091 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-9091 affect?

CVE-2014-9091 affects icecast. Severity is medium (CVSS 4.6). Icecast before 2.4.0 does not change the supplementary group privileges when <changeowner> is configured, which allows local users to gain privileges via unspecified vectors.

How urgent is CVE-2014-9091?

Priority 32/100. Public exploit reference

Related CVEs

CVE-2018-18820 HIGH 8.1 UPGRADE MITIGATE A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4
CVE-2015-3026 MEDIUM 5.0 UPGRADE MITIGATE Icecast before 2.4.2, when a stream_auth handler is defined for URL authentication, allows remote attackers to
CVE-2014-9018 MEDIUM 5.0 UPGRADE Icecast before 2.4.1 transmits the output of the on-connect script, which might allow remote attackers to obta
CVE-2011-4612 MEDIUM 5.0 UPGRADE icecast before 2.3.3 allows remote attackers to inject control characters such as newlines into the error loc

References

← Back to latest CVEs