---
title: "CVE-2015-7995\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-2015-7995?format=md
keywords: index, follow
---

# CVE-2015-7995

Publication date 17 November 2015

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

Toggle side navigation

## Description

The xsltStylePreCompute function in preproc.c in libxslt 1.1.28 does not
check if the parent node is an element, which allows attackers to cause a
denial of service via a crafted XML file, related to a "type confusion"
issue.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-7995?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| libxslt | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Ignored end of life |
| 15.04 vivid | Ignored end of life |
| 14.04 LTS trusty | Fixed 1.1.28-2ubuntu0.1 |
| 12.04 LTS precise | Fixed 1.1.26-8ubuntu1.4 |

---

* [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-2015-7995?format=md#patch-details)

## Notes

---

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

reproducer in Red Hat bug

### 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 |
| --- | --- |
| libxslt | * Upstream:   [?id=7ca](https://git.gnome.org/browse/libxslt/commit/?id=7ca19df892ca22d9314e95d59ce2abdeff46b617) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7995)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-7995)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-7995)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-7995)

### Related Ubuntu Security Notices (USN)

+ [USN-3271-1](https://usn.ubuntu.com/USN-3271-1)
+ Libxslt vulnerabilities
+ 28 April 2017

### Other references

* <http://www.openwall.com/lists/oss-security/2015/10/27/10>
* <https://www.cve.org/CVERecord?id=CVE-2015-7995>