---
title: "CVE-2019-9371\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-2019-9371?format=md
keywords: index, follow
---

# CVE-2019-9371

Publication date 27 September 2019

Last updated 25 August 2025

---

Ubuntu priority

**Low**

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

## Cvss 3 Severity Score

**6.5 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2019-9371?format=md#impact-score)

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## Description

In libvpx, there is a possible resource exhaustion due to improper input
validation. This could lead to remote denial of service with no additional
execution privileges needed. User interaction is needed for exploitation.
Product: AndroidVersions: Android-10Android ID: A-132783254

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-9371?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| libvpx | 19.10 eoan | Not affected |
| 19.04 disco | Fixed 1.7.0-3ubuntu0.19.04.1 |
| 18.04 LTS bionic | Fixed 1.7.0-3ubuntu0.18.04.1 |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not affected |

---

* [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-2019-9371?format=md#patch-details)

## Notes

---

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

Updated third\_party libwebm is only in >= 1.8.1

### 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 |
| --- | --- |
| libvpx | * Upstream:   [34d54b0](https://github.com/webmproject/libvpx/commit/34d54b04e98dd0bac32e9aab0fbda0bf501bc742) * Upstream:   [f00890e](https://github.com/webmproject/libvpx/commit/f00890eecdf8365ea125ac16769a83aa6b68792d) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.5 · Medium

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | 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 | 6.5 · Medium |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/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-2019-9371)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-9371)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-9371)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-9371)

### Related Ubuntu Security Notices (USN)

+ [USN-4199-1](https://usn.ubuntu.com/USN-4199-1)
+ libvpx vulnerabilities
+ 25 November 2019

### Other references

* <https://www.openwall.com/lists/oss-security/2019/11/07/1>
* <https://chromium.googlesource.com/webm/libwebm/+/cb5a9477073cf7ae4a28356d6e3e5638aba78dc9>
* <https://chromium.googlesource.com/webm/libwebm/+/027a472efe49ff3a24be619442d2150658dbaaa0>
* <https://www.cve.org/CVERecord?id=CVE-2019-9371>