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CVE-2016-9863

20
FAUCET Score

CVE-2016-9863 describes a Denial of Service (DoS) vulnerability in phpMyAdmin versions prior to 4.6.5. An unauthenticated attacker can trigger this DoS by sending a very large request to the table partitioning function. This vulnerability has a CVSSv3 score of 7.5 (High), indicating a high impact on availability with low attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.6.0CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.0:*:*:*:*:*:*:*
4.6.1CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.1:*:*:*:*:*:*:*
4.6.2CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.2:*:*:*:*:*:*:*
4.6.3CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.3:*:*:*:*:*:*:*
4.6.4CPE matchmatch criteria
cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
78.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 61st percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

composerpatch availablevia ghsa
Product: phpmyadmin/phpmyadminFixed in: 4.6.5

Vendor Advisories (1)

composerGHSA-qgrq-64g6-mmh6high

phpMyAdmin DoS Vulnerability

May 17, 2022

References

security.gentoo.org / glsa/201701-32
phpmyadmin.net / security/PMASA-2016-68
PatchVendor Advisory
securityfocus.com / bid/94526