---
title: "CVE-2018-25014\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-2018-25014?format=md
keywords: index, follow
---

# CVE-2018-25014

Publication date 31 December 2018

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2018-25014?format=md#impact-score)

Toggle side navigation

## Description

A use of uninitialized value was found in libwebp in versions before 1.0.1
in ReadSymbol().

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| libwebp | 22.04 LTS jammy | Fixed 0.6.1-2ubuntu1 |
| 21.10 impish | Fixed 0.6.1-2ubuntu1 |
| 21.04 hirsute | Fixed 0.6.1-2ubuntu0.21.04.1 |
| 20.10 groovy | Fixed 0.6.1-2ubuntu0.20.10.1 |
| 20.04 LTS focal | Fixed 0.6.1-2ubuntu0.20.04.1 |
| 18.04 LTS bionic | Fixed 0.6.1-2ubuntu0.18.04.1 |
| 16.04 LTS xenial | Fixed 0.4.4-1ubuntu0.1~esm1  Ubuntu Pro |
| 14.04 LTS trusty | Fixed 0.4.0-4ubuntu0.1~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)
* [Patch details](https://ubuntu.com/security/CVE-2018-25014?format=md#patch-details)

### Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

[Get Ubuntu Pro](https://ubuntu.com/pro)
[30-day free trial](https://ubuntu.com/pro/free-trial)

### 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 |
| --- | --- |
| libwebp | * Upstream:   <https://chromium.googlesource.com/webm/libwebp/+/907208f97ead639bd521cf355a2f203f462eade6> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

9.8 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25014)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2018-25014)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2018-25014)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2018-25014)

### Related Ubuntu Security Notices (USN)

+ [USN-4971-1](https://usn.ubuntu.com/USN-4971-1)
+ libwebp vulnerabilities
+ 1 June 2021

+ [USN-4971-2](https://usn.ubuntu.com/USN-4971-2)
+ libwebp vulnerabilities
+ 10 June 2021

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2018-25014>