---
title: "CVE-2017-16612\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-2017-16612?format=md
keywords: index, follow
---

# CVE-2017-16612

Publication date 28 November 2017

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-2017-16612?format=md#impact-score)

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## Description

libXcursor before 1.1.15 has various integer overflows that could lead to
heap buffer overflows when processing malicious cursors, e.g., with
programs like GIMP. It is also possible that an attack vector exists
against the related code in cursor/xcursor.c in Wayland through 1.14.0.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| libxcursor | 17.10 artful | Fixed 1:1.1.14-3ubuntu0.1 |
| 17.04 zesty | Fixed 1:1.1.14-1ubuntu0.17.04.1 |
| 16.04 LTS xenial | Fixed 1:1.1.14-1ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 1:1.1.14-1ubuntu0.14.04.1 |
| wayland | 17.10 artful | Fixed 1.14.0-1ubuntu0.1 |
| 17.04 zesty | Ignored end of life, was needed |
| 16.04 LTS xenial | Fixed 1.12.0-1~ubuntu16.04.3 |
| 14.04 LTS trusty | Fixed 1.4.0-1ubuntu1.1 |

---

* [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-2017-16612?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 |
| --- | --- |
| libxcursor | * Upstream:   [?id=479](https://cgit.freedesktop.org/xorg/lib/libXcursor/commit/?id=4794b5dd34688158fb51a2943032569d3780c4b8) |
| wayland | * Upstream:   [?id=5d2](https://cgit.freedesktop.org/wayland/wayland/commit/?id=5d201df72f3d4f4cb8b8f75f980169b03507da38) |

## 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-2017-16612)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-16612)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-16612)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-16612)

### Related Ubuntu Security Notices (USN)

+ [USN-3622-1](https://usn.ubuntu.com/USN-3622-1)
+ Wayland vulnerability
+ 9 April 2018

+ [USN-3501-1](https://usn.ubuntu.com/USN-3501-1)
+ libxcursor vulnerability
+ 29 November 2017

### Other references

* <http://www.openwall.com/lists/oss-security/2017/11/28/6>
* <https://marc.info/?l=freedesktop-xorg-announce&m=151188036018262&w=2>
* <https://www.cve.org/CVERecord?id=CVE-2017-16612>