---
title: "CVE-2016-9606\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2016-9606?format=md
keywords: index, follow
---

# CVE-2016-9606

Publication date 9 March 2018

Last updated 16 July 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.1 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-9606?format=md#impact-score)

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## Description

JBoss RESTEasy before version 3.1.2 could be forced into parsing a request
with YamlProvider, resulting in unmarshalling of potentially untrusted data
which could allow an attacker to execute arbitrary code with RESTEasy
application permissions.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2016-9606?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| resteasy | 25.04 plucky | Not affected |
| 24.10 oracular | Not affected |
| 24.04 LTS noble | Not affected |
| 23.10 mantic | Not affected |
| 23.04 lunar | Not affected |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Ignored end of standard support, was needed |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2016-9606?format=md#patch-details)

## Notes

---

### [sbeattie](https://launchpad.net/~sbeattie)

in some places, incorrectly referred to as CVE-2016-9571
due to a double assignment

---

### [msalvatore](https://launchpad.net/~msalvatore)

Can be mitigated by adding authentiation and authorization to any endpoint expecting Yaml content or disabling YamlProvider.

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| resteasy | * Upstream:   [bccadff](https://github.com/resteasy/Resteasy/commit/bccadffa2df8ecaff6616df18d2f3b1210866b99) * Upstream:   [26e2340](https://github.com/resteasy/Resteasy/commit/26e2340c50acdcec0e804796402f83f18ae165c5) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.1 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | High |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.1 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9606)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-9606)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-9606)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-9606)

### Other references

* <https://issues.jboss.org/browse/RESTEASY-1618>
* <https://bugzilla.redhat.com/show_bug.cgi?id=1400644>
* <https://www.cve.org/CVERecord?id=CVE-2016-9606>