CVE-2016-9858

An issue was discovered in phpMyAdmin. With a crafted request parameter value it is possible to initiate a denial of service attack in saved searches feature. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

Published: 2016-12-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-9858 is rated Moderate Risk (51/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.26%). Core evidence: EPSS rose +1.62% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-9858

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.64% 2.26% +1.62%
2 2025-07-30 0.68% 0.64% -0.04%
3 2025-03-30 0.68%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-9858

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-9858

OS Trackers for CVE-2016-9858

vendor priority summary link
alpine CVE-2016-9858: 1 source package rows (phpmyadmin); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0. https://security.alpinelinux.org/vuln/CVE-2016-9858
debian unimportant CVE-2016-9858 unimportant priority: Debian including 1 source packages (phpmyadmin), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2016-9858
gentoo normal CVE-2016-9858: 1 GLSA(s) (201701-32), 1 atom(s) (dev-db/phpmyadmin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-9858
ubuntu medium CVE-2016-9858 medium priority: Ubuntu including 1 source packages (phpmyadmin), 23 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): not-affected 17, ignored 2, needed 2, DNE 1, released 1. https://ubuntu.com/security/CVE-2016-9858

Affected software / configurations for CVE-2016-9858

Vendor Product Version Raw CPE
phpmyadmin phpmyadmin 4.4.0 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.0:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.1.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.1.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.5 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.5:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.6 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.6:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.6.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.6.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.7 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.7:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.8 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.8:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.9 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.9:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.10 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.10:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.11 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.11:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.12 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.12:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.13 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.13:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.13.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.13.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.14 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.14:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.14.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.14.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.5 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.5:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.6 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.6:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.7 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.7:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.4.15.8 cpe:2.3:a:phpmyadmin:phpmyadmin:4.4.15.8:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.6.0 cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.0:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.6.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.6.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.6.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.6.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.6.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.0 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.0:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.4.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.4.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.4.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.4.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.5 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.5:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.6 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.6:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.7 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.7:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.8 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.8:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.9 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.9:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.1 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.1:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.2 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.2:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.3 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.3:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.4 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.4:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.5 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.5:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.6 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.6:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.7 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.7:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.8 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.8:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.9 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.9:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.10 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.10:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.11 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.11:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.12 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.12:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.13 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.13:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.14 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.14:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.15 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.15:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.16 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.16:*:*:*:*:*:*:*
phpmyadmin phpmyadmin 4.0.10.17 cpe:2.3:a:phpmyadmin:phpmyadmin:4.0.10.17:*:*:*:*:*:*:*

References for CVE-2016-9858

cvelogic Threat Intelligence