---
title: "CVE-2019-2426\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-2019-2426?format=md
keywords: index, follow
---

# CVE-2019-2426

Publication date 16 January 2019

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**3.7 · Low**

[Score breakdown](https://ubuntu.com/security/CVE-2019-2426?format=md#impact-score)

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## Description

Vulnerability in the Java SE component of Oracle Java SE (subcomponent:
Networking). Supported versions that are affected are Java SE: 7u201, 8u192
and 11.0.1; Java SE Embedded: 8u191. Difficult to exploit vulnerability
allows unauthenticated attacker with network access via multiple protocols
to compromise Java SE. Successful attacks of this vulnerability can result
in unauthorized read access to a subset of Java SE accessible data. Note:
This vulnerability applies to Java deployments, typically in clients
running sandboxed Java Web Start applications or sandboxed Java applets (in
Java SE 8), that load and run untrusted code (e.g., code that comes from
the internet) and rely on the Java sandbox for security. This vulnerability
can also be exploited by using APIs in the specified Component, e.g.,
through a web service which supplies data to the APIs. CVSS 3.0 Base Score
3.7 (Confidentiality impacts). CVSS Vector:
(CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

[Read the notes from the security team](https://ubuntu.com/security/CVE-2019-2426?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| icedtea-web | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| openjdk-6 | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| openjdk-7 | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| openjdk-8 | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| openjdk-9 | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 16.04 LTS xenial | Not affected |
| 14.04 LTS trusty | Not in release |
| openjdk-lts | 18.10 cosmic | Not affected |
| 18.04 LTS bionic | Not affected |
| 16.04 LTS xenial | Not in release |
| 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

---

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

only affects Java clients on Windows.

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

3.7 · Low

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 3.7 · Low |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2426)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-2426)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-2426)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2019-2426)

### Other references

* <http://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html>
* <https://www.cve.org/CVERecord?id=CVE-2019-2426>