---
title: "CVE-2011-3481\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-2011-3481?format=md
keywords: index, follow
---

# CVE-2011-3481

Publication date 14 September 2011

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

The index\_get\_ids function in index.c in imapd in Cyrus IMAP Server before
2.4.11, when server-side threading is enabled, allows remote attackers to
cause a denial of service (NULL pointer dereference and daemon crash) via a
crafted References header in an e-mail message.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| cyrus-imapd-2.2 | 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 |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.10 maverick | Fixed 2.2.13-19squeeze3build0.10.10.1 |
| 10.04 LTS lucid | Fixed 2.2.13-19squeeze3build0.10.04.1 |
| 8.04 LTS hardy | Ignored end of life |
| cyrus-imapd-2.4 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Not affected |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Not in release |
| 10.10 maverick | Not in release |
| 10.04 LTS lucid | Not in release |
| 8.04 LTS hardy | Not in release |
| kolab-cyrus-imapd | 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 |
| 15.04 vivid | Not in release |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 13.10 saucy | Ignored end of life |
| 13.04 raring | Ignored end of life |
| 12.10 quantal | Ignored end of life |
| 12.04 LTS precise | Ignored end of life |
| 11.10 oneiric | Ignored end of life |
| 11.04 natty | Ignored end of life |
| 10.10 maverick | Ignored end of life |
| 10.04 LTS lucid | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |

---

* [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-2011-3481?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 |
| --- | --- |
| cyrus-imapd-2.2 | * Vendor:   <http://www.debian.org/security/2012/dsa-2377> |
| cyrus-imapd-2.4 | * Upstream:   [?id=6e7](http://git.cyrusimap.org/cyrus-imapd/commit/?id=6e776956a1a9dfa58eacdd0ddd52644009eac9e5) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3481)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-3481)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-3481)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-3481)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2011-3481>