---
title: "CVE-2015-3308\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-2015-3308?format=md
keywords: index, follow
---

# CVE-2015-3308

Publication date 21 April 2015

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

Double free vulnerability in lib/x509/x509\_ext.c in GnuTLS before 3.3.14
allows remote attackers to cause a denial of service or possibly have
unspecified other impact via a crafted CRL distribution point.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2015-3308?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gnutls26 | 15.04 vivid | Not in release |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not affected |
| gnutls28 | 15.04 vivid | Fixed 3.3.8-3ubuntu3.1 |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Not in release |

---

* [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-2015-3308?format=md#patch-details)

## Notes

---

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

introduced in 3.3.0

### 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 |
| --- | --- |
| gnutls28 | * Upstream:   [d6972be](https://gitlab.com/gnutls/gnutls/commit/d6972be33264ecc49a86cd0958209cd7363af1e9) * Upstream:   [053ae65](https://gitlab.com/gnutls/gnutls/commit/053ae65403216acdb0a4e78b25ad66ee9f444f02) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3308)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-3308)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-3308)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-3308)

### Related Ubuntu Security Notices (USN)

+ [USN-2727-1](https://usn.ubuntu.com/USN-2727-1)
+ GnuTLS vulnerabilities
+ 1 September 2015

### Other references

* <http://www.openwall.com/lists/oss-security/2015/04/15/6>
* <https://www.cve.org/CVERecord?id=CVE-2015-3308>