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CVE-2015-4766

11
FAUCET Score

CVE-2015-4766 is an unspecified vulnerability affecting Oracle MySQL Server versions 5.6.25 and earlier, specifically within the Server: Security: Firewall component. This low-severity vulnerability (CVSS 1.9) allows a local attacker to impact system availability, though it requires medium attack complexity and does not affect confidentiality or integrity. There is no known exploit code available in Metasploit, Nuclei, or ExploitDB, and it is not listed on the KEV catalog, indicating no active exploitation. Furthermore, the vulnerability has garnered minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.6.25CPE matchmatch criteria
cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.9LOW

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 71st percentile among its peer group of 747 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6Fixed in: rh-mysql56-mysql-0:5.6.26-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUSFixed in: rh-mysql56-mysql-0:5.6.26-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUSFixed in: rh-mysql56-mysql-0:5.6.26-1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-mysql56-mysql-0:5.6.26-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUSFixed in: rh-mysql56-mysql-0:5.6.26-1.el7
View patch
oraclevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-4766Moderate

mysql: unspecified vulnerability related to Server:Security:Firewall (CPU October 2015)

Oct 21, 2015

References

oracle.com / technetwork/topics/security/cpuoct2015-2367953.html
Vendor Advisory
securityfocus.com / bid/77232
securitytracker.com / id/1033894
ubuntu.com / usn/USN-2781-1