CVE-2016-9686

mediumpriority · track · 21EPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.27% (70th) EPSS

CVSS 5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

The Puppet Communications Protocol (PCP) Broker incorrectly validates message header sizes. An attacker could use this to crash the PCP Broker, preventing commands from being sent to agents. This is resolved in Puppet Enterprise 2016.4.3 and 2016.5.2.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.04.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (5)

Products and version ranges known to be affected.

Puppet Puppet Enterprise≤ 2016.5.1.enisa_euvdEU
Puppet Puppet Enterprise≤ 2015.3.xenisa_euvdEU
Puppet Puppet Enterprise≤ 2016.x prior to 2016.4.3enisa_euvdEU
puppet puppet enterprise2016.4.0 → 2016.4.3nvdUScpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
puppet puppet enterprise= 2016.5.1nvdUScpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2017-02-08modified 2026-06-17

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+25171 more

references (3)

External citations — patches, advisories, analysis.

scry

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