CVE-2016-9863
phpMyAdmin DoS Vulnerability
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
CVE-2016-9863- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
CVE-2016-9863- Updated
- 2026-11-02
EUVDEUVD-2022-4973 No score
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
EUVD-2022-4973- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qgrq-64g6-mmh6
phpMyAdmin DoS Vulnerability
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
GHSA-qgrq-64g6-mmh6- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVALPINE-CVE-2016-9863
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
ALPINE-CVE-2016-9863- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
CVE-2016-9863- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVDEBIAN-CVE-2016-9863
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
DEBIAN-CVE-2016-9863- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-qgrq-64g6-mmh6
phpMyAdmin DoS Vulnerability
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
GHSA-qgrq-64g6-mmh6- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2016-9863
An issue was discovered in phpMyAdmin. With a very large request to table partitioning function, it is possible to invoke a Denial of Service (DoS) attack. All 4.6.x versions (prior to 4.6.5) are affected.
- Record
UBUNTU-CVE-2016-9863- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10054-1 No score
phpMyAdmin-4.6.5.2-1.1 on GA media
These are all security issues fixed in the phpMyAdmin-4.6.5.2-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10054-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
phpmyadmin/phpmyadminPackagist |
4.6.0 up to 4.6.5 | 4.6.5 |
phpmyadminAlpine:v3.4 |
before 4.6.5.2-r0 | 4.6.5.2-r0 |
phpmyadminDebian:12 |
before 4:4.6.5.1-1 | 4:4.6.5.1-1 |
phpmyadminDebian:13 |
before 4:4.6.5.1-1 | 4:4.6.5.1-1 |
phpmyadminDebian:14 |
before 4:4.6.5.1-1 | 4:4.6.5.1-1 |
phpMyAdminopenSUSE:Tumbleweed |
before 4.6.5.2-1.1 | 4.6.5.2-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-9863 is a high vulnerability (CVSS 7.5) in Phpmyadmin, published December 11, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.94%, the 80th percentile. Fixed in phpmyadmin/phpmyadmin 4.6.5.
References
securityfocus.com/bid/94526
phpmyadmin.net/security/PMASA-2016-68
security.gentoo.org/glsa/201701-32
nvd.nist.gov/vuln/detail/CVE-2016-9863
web.archive.org/web/20210123194704/http://www.securityfocus.com/bid/94526
github.com/advisories/GHSA-qgrq-64g6-mmh6
Show 129 moreShow less
security.alpinelinux.org/vuln/CVE-2016-9863
security-tracker.debian.org/tracker/CVE-2016-9863
ubuntu.com/security/CVE-2016-9863
cve.org/CVERecord?id=CVE-2016-9863
suse.com/security/cve/CVE-2011-4107