---
title: "CVE-2017-9929\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-2017-9929?format=md
keywords: index, follow
---

# CVE-2017-9929

Publication date 26 June 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**5.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2017-9929?format=md#impact-score)

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## Description

In lrzip 0.631, a stack buffer overflow was found in the function
get\_fileinfo in lrzip.c:1074, which allows attackers to cause a denial of
service via a crafted file.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| lrzip | 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Not affected |
| 19.10 eoan | Not affected |
| 19.04 disco | Not affected |
| 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Fixed 0.631-1+deb9u1build0.18.04.1 |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Fixed 0.621-1ubuntu0.1~esm1  Ubuntu Pro |
| 14.04 LTS trusty | Fixed 0.616-1ubuntu0.1~esm1  Ubuntu Pro |

---

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

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## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

5.5 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 5.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9929)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-9929)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-9929)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-9929)

### Related Ubuntu Security Notices (USN)

+ [USN-5171-1](https://usn.ubuntu.com/USN-5171-1)
+ Long Range ZIP vulnerabilities
+ 6 December 2021

+ [USN-5171-2](https://usn.ubuntu.com/USN-5171-2)
+ Long Range ZIP vulnerabilities
+ 9 December 2021

### Other references

* <https://github.com/ckolivas/lrzip/issues/75>
* <http://somevulnsofadlab.blogspot.com/2017/06/lrzipstack-buffer-overflow-in_24.html>
* <https://www.cve.org/CVERecord?id=CVE-2017-9929>