---
title: "CVE-2015-3256\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-2015-3256?format=md
keywords: index, follow
---

# CVE-2015-3256

Publication date 26 October 2015

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of
service (memory corruption and polkitd daemon crash) and possibly gain
privileges via unspecified vectors, related to "javascript rule
evaluation."

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-3256?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| policykit-1 | 15.04 vivid | Not affected |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not affected |

---

* [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-2015-3256?format=md#patch-details)

## Notes

---

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

likely need all the commits between 2015-06-18 and
2015-06-19 plus 2015-06-23 to address issues
note that this only affected policykit versions that used
javscript via libmozjs, which none of the ubuntu versions do

### 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 |
| --- | --- |
| policykit-1 | * Upstream:   [?id=9f5](http://cgit.freedesktop.org/polkit/commit/?id=9f5e0c731784003bd4d6fc75ab739ff8b2ea269f) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3256)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-3256)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-3256)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-3256)

### Other references

* <https://bugs.freedesktop.org/show_bug.cgi?id=69501>
* <https://bugzilla.redhat.com/show_bug.cgi?id=910262#c75>
* <https://www.cve.org/CVERecord?id=CVE-2015-3256>