---
title: "CVE-2014-2957\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-2014-2957?format=md
keywords: index, follow
---

# CVE-2014-2957

Publication date 4 September 2014

Last updated 24 July 2024

---

Ubuntu priority

**Negligible**

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

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## Description

The dmarc\_process function in dmarc.c in Exim before 4.82.1, when
EXPERIMENTAL\_DMARC is enabled, allows remote attackers to execute arbitrary
code via the From header in an email, which is passed to the expand\_string
function.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2014-2957?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| exim4 | 14.04 LTS trusty | Ignored |
| 13.10 saucy | Ignored end of life |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not affected |

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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)

## Notes

---

### [jdstrand](https://launchpad.net/~jdstrand)

EXPERIMENTAL\_DMARC not enabled, ignoring

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2957)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-2957)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-2957)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-2957)

### Other references

* <https://lists.exim.org/lurker/message/20140528.122536.a31d60a4.en.html>
* <http://www.openwall.com/lists/oss-security/2014/05/28>
* <https://www.cve.org/CVERecord?id=CVE-2014-2957>