What’s Vulnerable › Vulnerabilities

CVE-2014-8567

• Severity: critical (CVSS 9.4 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2014-11-14 · updated 2026-06-17
• Weakness: CWE-399

Description

The mod_auth_mellon module before 0.8.1 allows remote attackers to cause a denial of service (Apache HTTP server crash) via a crafted logout request that triggers a read of uninitialized data.

Affected products

• RedHat Enterprise Linux Desktop: 6.0
• RedHat Enterprise Linux Server: 6.0
• RedHat Enterprise Linux Server Aus: 6.6
• RedHat Enterprise Linux Server Eus: 6.6
• RedHat Enterprise Linux Server Tus: 6.6
• RedHat Enterprise Linux Workstation: 6.0
• uninett mod_auth_mellon: before 0.8.1 — fixed in 0.8.1

How to fix

Upgrade to a fixed version: uninett mod_auth_mellon 0.8.1. Check the vendor advisory for mitigations.

References

• http://linux.oracle.com/errata/ELSA-2014-1803.html
• http://rhn.redhat.com/errata/RHSA-2014-1803.html
• http://secunia.com/advisories/62094
• http://secunia.com/advisories/62125
• https://github.com/UNINETT/mod_auth_mellon/commit/0f5b4fd860fa7e3a6c47201637aab05395f32647
• https://postlister.uninett.no/sympa/arc/modmellon/2014-11/msg00000.html
• http://linux.oracle.com/errata/ELSA-2014-1803.html
• http://rhn.redhat.com/errata/RHSA-2014-1803.html
• http://secunia.com/advisories/62094
• http://secunia.com/advisories/62125
• https://github.com/UNINETT/mod_auth_mellon/commit/0f5b4fd860fa7e3a6c47201637aab05395f32647
• https://postlister.uninett.no/sympa/arc/modmellon/2014-11/msg00000.html

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