---
title: "CVE-2017-7772\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-2017-7772?format=md
keywords: index, follow
---

# CVE-2017-7772

Publication date 14 June 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2017-7772?format=md#impact-score)

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## Description

Heap-based Buffer Overflow in Graphite2 library in Firefox before 54 in
lz4::decompress function.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 17.04 zesty | Fixed 54.0+build3-0ubuntu0.17.04.1 |
| 16.10 yakkety | Fixed 54.0+build3-0ubuntu0.16.10.1 |
| 16.04 LTS xenial | Fixed 54.0+build3-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 54.0+build3-0ubuntu0.14.04.1 |
| graphite2 | 17.04 zesty | Fixed 1.3.10-0ubuntu0.17.04.1 |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Fixed 1.3.10-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 1.3.10-0ubuntu0.14.04.1 |
| thunderbird | 17.04 zesty | Fixed 1:52.2.1+build1-0ubuntu0.17.04.1 |
| 16.10 yakkety | Fixed 1:52.2.1+build1-0ubuntu0.16.10.1 |
| 16.04 LTS xenial | Fixed 1:52.2.1+build1-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 1:52.2.1+build1-0ubuntu0.14.04.1 |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7772)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-7772)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-7772)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-7772)

### Related Ubuntu Security Notices (USN)

+ [USN-3315-1](https://usn.ubuntu.com/USN-3315-1)
+ Firefox vulnerabilities
+ 15 June 2017

+ [USN-3398-1](https://usn.ubuntu.com/USN-3398-1)
+ graphite2 vulnerabilities
+ 21 August 2017

+ [USN-3321-1](https://usn.ubuntu.com/USN-3321-1)
+ Thunderbird vulnerabilities
+ 5 July 2017

### Other references

* <https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/>
* <https://www.cve.org/CVERecord?id=CVE-2017-7772>