---
title: "CVE-2015-5477\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-2015-5477?format=md
keywords: index, follow
---

# CVE-2015-5477

Publication date 28 July 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows
remote attackers to cause a denial of service (REQUIRE assertion failure
and daemon exit) via TKEY queries.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| bind9 | 15.04 vivid | Fixed 1:9.9.5.dfsg-9ubuntu0.2 |
| 14.04 LTS trusty | Fixed 1:9.9.5.dfsg-3ubuntu0.4 |
| 12.04 LTS precise | Fixed 1:9.8.1.dfsg.P1-4ubuntu0.12 |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5477)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-5477)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-5477)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-5477)

### Related Ubuntu Security Notices (USN)

+ [USN-2693-1](https://usn.ubuntu.com/USN-2693-1)
+ Bind vulnerabilities
+ 28 July 2015

### Other references

* <https://kb.isc.org/article/AA-01272/0>
* <https://www.cve.org/CVERecord?id=CVE-2015-5477>