---
title: "CVE-2016-6855\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-2016-6855?format=md
keywords: index, follow
---

# CVE-2016-6855

Publication date 23 August 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-6855?format=md#impact-score)

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## Description

Eye of GNOME (aka eog) 3.16.5, 3.17.x, 3.18.x before 3.18.3, 3.19.x, and
3.20.x before 3.20.4, when used with glib before 2.44.1, allow remote
attackers to cause a denial of service (out-of-bounds write and crash) via
vectors involving passing invalid UTF-8 to GMarkup.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| eog | 16.04 LTS xenial | Fixed 3.18.2-1ubuntu2.1 |
| 14.04 LTS trusty | Fixed 3.10.2-0ubuntu5.2 |
| 12.04 LTS precise | Fixed 3.4.2-0ubuntu1.3 |

---

* [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-2016-6855?format=md#patch-details)

### 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 |
| --- | --- |
| eog | * Upstream:   [?id=e99](https://git.gnome.org/browse/eog/commit/?id=e99a8c00f959652fe7c10e2fa5a3a7a5c25e6af4) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6855)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-6855)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-6855)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-6855)

### Related Ubuntu Security Notices (USN)

+ [USN-3069-1](https://usn.ubuntu.com/USN-3069-1)
+ Eye of GNOME vulnerability
+ 25 August 2016

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2016-6855>