---
title: "CVE-2018-1656\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-2018-1656?format=md
keywords: index, follow
---

# CVE-2018-1656

Publication date 20 August 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**6.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2018-1656?format=md#impact-score)

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## Description

The IBM Java Runtime Environment's Diagnostic Tooling Framework for Java
(DTFJ) (IBM SDK, Java Technology Edition 6.0 , 7.0, and 8.0) does not
protect against path traversal attacks when extracting compressed dump
files. IBM X-Force ID: 144882.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ibm-java80 | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Fixed 8.0.5.22-0ubuntu1 |
| 16.04 LTS xenial | Fixed 8.0.5.22-0ubuntu1 |
| 14.04 LTS trusty | 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)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1656)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-1656)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-1656)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-1656)

### Other references

* <http://www.ibm.com/support/docview.wss?uid=ibm10719653>
* <https://exchange.xforce.ibmcloud.com/vulnerabilities/144882>
* <https://www.cve.org/CVERecord?id=CVE-2018-1656>