---
title: "CVE-2016-1245\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-2016-1245?format=md
keywords: index, follow
---

# CVE-2016-1245

Publication date 18 October 2016

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-2016-1245?format=md#impact-score)

Toggle side navigation

## Description

It was discovered that the zebra daemon in Quagga before 1.0.20161017
suffered from a stack-based buffer overflow when processing IPv6 Neighbor
Discovery messages. The root cause was relying on BUFSIZ to be compatible
with a message size; however, BUFSIZ is system-dependent.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| quagga | 16.10 yakkety | Fixed 1.0.20160315-2ubuntu0.1 |
| 16.04 LTS xenial | Fixed 0.99.24.1-2ubuntu1.2 |
| 14.04 LTS trusty | Fixed 0.99.22.4-3ubuntu1.3 |
| 12.04 LTS precise | Fixed 0.99.20.1-0ubuntu0.12.04.6 |

---

* [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-2016-1245?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 |
| --- | --- |
| quagga | * Upstream:   [cfb1fae](https://github.com/Quagga/quagga/commit/cfb1fae25f8c092e0d17073eaf7bd428ce1cd546) |

## 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-2016-1245)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-1245)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-1245)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-1245)

### Related Ubuntu Security Notices (USN)

+ [USN-3110-1](https://usn.ubuntu.com/USN-3110-1)
+ Quagga vulnerability
+ 25 October 2016

### Other references

* <https://lists.quagga.net/pipermail/quagga-users/2016-October/014478.html>
* <https://www.cve.org/CVERecord?id=CVE-2016-1245>