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Fencer Intel
critical 9.4

CVE-2014-8567 json

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 logou…

published 2014-11-14 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8404

cvss
9.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

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.

Patch / fix

  • uninett mod_auth_mellon 0.8.1
  • libapache2-mod-auth-mellon Debian 14, Debian 13, Debian 12 0.9.0

debian advisories DEBIAN-CVE-2014-8567

  • mod_auth_mellon RHEL 6 0.8.0-3.el6_6

red hat advisories RHSA-2014:1803

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-8567 updated cvss 4.0

mod_auth_mellon: logout processing leads to denial of service

  • Red Hat Enterprise Linux Server (v. 6) mod_auth_mellon 0.8.0-3.el6_6 Red Hat Enterprise Linux Workstation (v. 6) mod_auth_mellon 0.8.0-3.el6_6
    fixed: vendor fix RHSA-2014:1803

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.59% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.4 AV:N/AC:L/Au:N/C:N/I:C/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.