---
title: "CVE-2016-9635\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-2016-9635?format=md
keywords: index, follow
---

# CVE-2016-9635

Publication date 27 January 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2016-9635?format=md#impact-score)

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## Description

Heap-based buffer overflow in the flx\_decode\_delta\_fli function in
gst/flx/gstflxdec.c in the FLIC decoder in GStreamer before 1.10.2 allows
remote attackers to execute arbitrary code or cause a denial of service
(application crash) by providing a 'skip count' that goes beyond
initialized buffer.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gst-plugins-good0.10 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Fixed 0.10.31-3+nmu4ubuntu2.16.04.1 |
| 14.04 LTS trusty | Fixed 0.10.31-3+nmu1ubuntu5.1 |
| 12.04 LTS precise | Fixed 0.10.31-1ubuntu1.3 |
| gst-plugins-good1.0 | 17.04 zesty | Fixed 1.10.2-1ubuntu1 |
| 16.10 yakkety | Fixed 1.8.3-1ubuntu1.1 |
| 16.04 LTS xenial | Fixed 1.8.2-1ubuntu0.2 |
| 14.04 LTS trusty | Fixed 1.2.4-1~ubuntu1.1 |
| 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-2016-9635?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 |
| --- | --- |
| gst-plugins-good1.0 | * Upstream:   [?h=1.10](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?h=1.10&id=2e203a79b7d9af4029307c1a845b3c148d5f5e62) * Upstream:   [?h=1.10](https://cgit.freedesktop.org/gstreamer/gst-plugins-good/commit/?h=1.10&id=1ab2b26193861b124426e2f8eb62b75b59ec5488) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

9.8 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9635)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-9635)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-9635)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-9635)

### Other references

* <https://www.ubuntu.com/usn/usn-3135-1/>
* <https://scarybeastsecurity.blogspot.ch/2016/11/0day-exploit-advancing-exploitation.html>
* <https://www.ubuntu.com/usn/usn-3135-1/>
* <https://www.cve.org/CVERecord?id=CVE-2016-9635>