---
title: "CVE-2018-7253\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-2018-7253?format=md
keywords: index, follow
---

# CVE-2018-7253

Publication date 19 February 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2018-7253?format=md#impact-score)

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## Description

The ParseDsdiffHeaderConfig function of the cli/dsdiff.c file of WavPack
5.1.0 allows a remote attacker to cause a denial-of-service (heap-based
buffer over-read) or possibly overwrite the heap via a maliciously crafted
DSDIFF file.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2018-7253?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| wavpack | 17.10 artful | Fixed 5.1.0-2ubuntu0.2 |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | 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)

## Notes

---

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

DSDIFF support was added in 5.\* version, so neither xenial or
trust is affected since code is not present.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | 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 | 7.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:L/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-2018-7253)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-7253)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-7253)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-7253)

### Related Ubuntu Security Notices (USN)

+ [USN-3578-1](https://usn.ubuntu.com/USN-3578-1)
+ WavPack vulnerabilities
+ 22 February 2018

### Other references

* <https://github.com/dbry/WavPack/issues/28>
* <https://github.com/dbry/WavPack/commit/36a24c7881427d2e1e4dc1cef58f19eee0d13aec>
* <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889559>
* <https://www.cve.org/CVERecord?id=CVE-2018-7253>