---
title: "CVE-2016-2327\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-2016-2327?format=md
keywords: index, follow
---

# CVE-2016-2327

Publication date 12 February 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-2327?format=md#impact-score)

Toggle side navigation

## Description

libavcodec/pngenc.c in FFmpeg before 2.8.5 uses incorrect line sizes in
certain row calculations, which allows remote attackers to cause a denial
of service (out-of-bounds array access) or possibly have unspecified other
impact via a crafted .avi file, related to the apng\_encode\_frame and
encode\_apng functions.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ffmpeg | 18.04 LTS bionic | Fixed 7:2.8.6-1ubuntu1 |
| 17.10 artful | Fixed 7:2.8.6-1ubuntu1 |
| 17.04 zesty | Fixed 7:2.8.6-1ubuntu1 |
| 16.10 yakkety | Fixed 7:2.8.6-1ubuntu1 |
| 16.04 LTS xenial | Fixed 7:2.8.6-1ubuntu1 |
| 15.10 wily | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| libav | 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not affected |

---

* [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-2016-2327?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 |
| --- | --- |
| ffmpeg | * Upstream:   <http://git.videolan.org/?p=ffmpeg.git;a=commit;h=8f4c3e4b92212d98f5b9ca2dee13e076effe9589> * Upstream:   <http://git.videolan.org/?p=ffmpeg.git;a=commit;h=7ec9c5ce8a753175244da971fed9f1e25aef7971> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2327)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-2327)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-2327)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-2327)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2016-2327>
