---
title: "CVE-2014-8155\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-2014-8155?format=md
keywords: index, follow
---

# CVE-2014-8155

Publication date 31 December 2014

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

GnuTLS before 2.9.10 does not verify the activation and expiration dates of
CA certificates, which allows man-in-the-middle attackers to spoof servers
via a certificate issued by a CA certificate that is (1) not yet valid or
(2) no longer valid.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2014-8155?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gnutls26 | 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not affected |
| 10.04 LTS lucid | Fixed 2.8.5-2ubuntu0.7 |
| gnutls28 | 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-2014-8155?format=md#patch-details)

## Notes

---

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

Fixed upstream in 2.9.10

### 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 |
| --- | --- |
| gnutls26 | * Upstream:   [897cbce](https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8155)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-8155)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-8155)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-8155)

### Related Ubuntu Security Notices (USN)

+ [USN-2540-1](https://usn.ubuntu.com/USN-2540-1)
+ GnuTLS vulnerabilities
+ 23 March 2015

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2014-8155>