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CVE-2014-8566

18
FAUCET Score

CVE-2014-8566 describes a vulnerability in mod_auth_mellon versions prior to 0.8.1, impacting Oracle Linux and UNINETT Linux distributions. This flaw, stemming from a "session overflow," allows remote attackers to obtain sensitive information or trigger a denial of service via a segmentation fault. With a CVSS score of 6.4, it presents a medium severity risk, requiring no authentication and low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8.0CPE matchmatch criteria
cpe:2.3:a:uninett:mod_auth_mellon:*:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.73%
Probability of exploitation in next 30 days
EPSS Percentile
84.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0273 is in the 78th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: mod_auth_mellon-0:0.8.0-3.el6_6
View patch

Vendor Advisories (1)

redhatCVE-2014-8566Important

mod_auth_mellon: remote memory disclosure flaw

Nov 3, 2014

References

linux.oracle.com / errata/ELSA-2014-1803.html
rhn.redhat.com / errata/RHSA-2014-1803.html
secunia.com / advisories/62094
secunia.com / advisories/62125
github.com / UNINETT/mod_auth_mellon/releases/tag/v0.8.1
PatchVendor Advisory
postlister.uninett.no / sympa/arc/modmellon/2014-11/msg00000.html
PatchVendor Advisory