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Fencer Intel
medium 6.4

CVE-2014-8566 json

The mod_auth_mellon module before 0.8.1 allows remote attackers to obtain sensitive information or cause a denial of service (segmentation…

published 2014-11-15 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8403

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The mod_auth_mellon module before 0.8.1 allows remote attackers to obtain sensitive information or cause a denial of service (segmentation fault) via unspecified vectors related to a "session overflow" involving "sessions overlapping in memory."

Patch / fix

  • libapache2-mod-auth-mellon Debian 14, Debian 13, Debian 12 0.9.1

debian advisories DEBIAN-CVE-2014-8566

  • 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-2014-8566 updated cvss 5.0

mod_auth_mellon: remote memory disclosure flaw

  • 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

2.73% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.