---
title: "CVE-2015-0282\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-2015-0282?format=md
keywords: index, follow
---

# CVE-2015-0282

Publication date 12 March 2015

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

GnuTLS before 3.1.0 does not verify that the RSA PKCS #1 signature
algorithm matches the signature algorithm in the certificate, which allows
remote attackers to conduct downgrade attacks via unspecified vectors.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| gnutls26 | 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 15.04 vivid | Not in release |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Fixed 2.12.23-12ubuntu2.2 |
| 12.04 LTS precise | Fixed 2.12.14-5ubuntu3.9 |
| 10.04 LTS lucid | Fixed 2.8.5-2ubuntu0.7 |
| gnutls28 | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 15.04 vivid | Not affected |
| 14.10 utopic | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Ignored end of life |
| 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-2015-0282?format=md#patch-details)

### 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:   [d326f81](https://gitlab.com/gnutls/gnutls/commit/d326f81daed5a1a06476d66a81584f8c7b71141d) * Vendor:   <https://bugzilla.redhat.com/attachment.cgi?id=997548> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0282)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2015-0282)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2015-0282)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2015-0282)

### Related Ubuntu Security Notices (USN)

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

### Other references

* <http://www.gnutls.org/security.html#GNUTLS-SA-2015-1>
* <https://www.cve.org/CVERecord?id=CVE-2015-0282>