---
title: "CVE-2017-3135\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-2017-3135?format=md
keywords: index, follow
---

# CVE-2017-3135

Publication date 9 February 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.9 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2017-3135?format=md#impact-score)

Toggle side navigation

## Description

Under some conditions when using both DNS64 and RPZ to rewrite query
responses, query processing can resume in an inconsistent state leading to
either an INSIST assertion failure or an attempt to read through a NULL
pointer. Affects BIND 9.8.8, 9.9.3-S1 -> 9.9.9-S7, 9.9.3 -> 9.9.9-P5,
9.9.10b1, 9.10.0 -> 9.10.4-P5, 9.10.5b1, 9.11.0 -> 9.11.0-P2, 9.11.1b1.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| bind9 | 17.04 zesty | Fixed 1:9.10.3.dfsg.P4-10.1ubuntu4 |
| 16.10 yakkety | Fixed 1:9.10.3.dfsg.P4-10.1ubuntu1.3 |
| 16.04 LTS xenial | Fixed 1:9.10.3.dfsg.P4-8ubuntu1.5 |
| 14.04 LTS trusty | Fixed 1:9.9.5.dfsg-3ubuntu0.13 |
| 12.04 LTS precise | Fixed 1:9.8.1.dfsg.P1-4ubuntu0.21 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.9 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.9 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3135)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-3135)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-3135)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-3135)

### Related Ubuntu Security Notices (USN)

+ [USN-3201-1](https://usn.ubuntu.com/USN-3201-1)
+ Bind vulnerabilities
+ 16 February 2017

### Other references

* <https://kb.isc.org/article/AA-01453>
* <https://www.cve.org/CVERecord?id=CVE-2017-3135>